/* Base Styles */
* {
    box-sizing: border-box;
}

/* Theme Variables */
:root {
    /* Purple Theme (Default) */
    --bg-gradient-start: #667eea;
    --bg-gradient-end: #764ba2;
    --primary-color: #667eea;
    --primary-hover: #5568d3;
    --accent-color: #764ba2;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Component colors */
    --card-bg: #ffffff;
    --card-border: #e5e7eb;
    --card-hover-shadow: rgba(102, 126, 234, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.06);
    --column-went-well: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --column-to-improve: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --column-action-items: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

body[data-theme="ocean"] {
    --bg-gradient-start: #1e3a8a;
    --bg-gradient-end: #06b6d4;
    --primary-color: #0ea5e9;
    --primary-hover: #0284c7;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    --card-bg: #ffffff;
    --card-border: #e0e7ff;
    --card-hover-shadow: rgba(14, 165, 233, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --column-to-improve: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    --column-action-items: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
}

body[data-theme="sunset"] {
    --bg-gradient-start: #dc2626;
    --bg-gradient-end: #f97316;
    --primary-color: #f97316;
    --primary-hover: #ea580c;
    --accent-color: #dc2626;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #dc2626;
    
    --card-bg: #ffffff;
    --card-border: #ffe4e6;
    --card-hover-shadow: rgba(249, 115, 22, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --column-to-improve: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --column-action-items: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

body[data-theme="forest"] {
    --bg-gradient-start: #065f46;
    --bg-gradient-end: #10b981;
    --primary-color: #10b981;
    --primary-hover: #059669;
    --accent-color: #065f46;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(16, 185, 129, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --column-to-improve: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --column-action-items: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

body[data-theme="midnight"] {
    --bg-gradient-start: #1e1b4b;
    --bg-gradient-end: #4c1d95;
    --primary-color: #7c3aed;
    --primary-hover: #6d28d9;
    --accent-color: #4c1d95;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(124, 58, 237, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --column-to-improve: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    --column-action-items: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
}

body[data-theme="rose"] {
    --bg-gradient-start: #be123c;
    --bg-gradient-end: #ec4899;
    --primary-color: #ec4899;
    --primary-hover: #db2777;
    --accent-color: #be123c;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(236, 72, 153, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --column-to-improve: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    --column-action-items: linear-gradient(135deg, #be123c 0%, #9f1239 100%);
}

body[data-theme="jungle"] {
    --bg-gradient-start: #00bf6f;
    --bg-gradient-end: #1dd1a1;
    --primary-color: #00bf6f;
    --primary-hover: #00a35c;
    --accent-color: #00bf6f;
    --success-color: #00bf6f;
    --warning-color: #ffa500;
    --danger-color: #ef4444;
    
    /* Clean white cards like SurveyMonkey */
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 191, 111, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    
    /* Professional column colors with better contrast */
    --column-went-well: linear-gradient(135deg, #00bf6f 0%, #00a35c 100%);
    --column-to-improve: linear-gradient(135deg, #ffa500 0%, #ff8c00 100%);
    --column-action-items: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
}

/* Microsoft - Soft */
body[data-theme="soft"] {
    --bg-gradient-start: #0078d4;
    --bg-gradient-end: #50e6ff;
    --primary-color: #0078d4;
    --primary-hover: #005a9e;
    --accent-color: #50e6ff;
    --success-color: #107c10;
    --warning-color: #ffb900;
    --danger-color: #d83b01;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 120, 212, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #107c10 0%, #0b5a08 100%);
    --column-to-improve: linear-gradient(135deg, #0078d4 0%, #005a9e 100%);
    --column-action-items: linear-gradient(135deg, #8661c5 0%, #5c2e91 100%);
}

/* Amazon - River */
body[data-theme="river"] {
    --bg-gradient-start: #ff9900;
    --bg-gradient-end: #146eb4;
    --primary-color: #ff9900;
    --primary-hover: #e88b00;
    --accent-color: #146eb4;
    --success-color: #067d62;
    --warning-color: #ff9900;
    --danger-color: #c7511f;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(255, 153, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #067d62 0%, #045d4a 100%);
    --column-to-improve: linear-gradient(135deg, #ff9900 0%, #e88b00 100%);
    --column-action-items: linear-gradient(135deg, #146eb4 0%, #0f5b94 100%);
}

/* Intel - Chip */
body[data-theme="chip"] {
    --bg-gradient-start: #0071c5;
    --bg-gradient-end: #00c7fd;
    --primary-color: #0071c5;
    --primary-hover: #005a9e;
    --accent-color: #00c7fd;
    --success-color: #00c389;
    --warning-color: #ffb900;
    --danger-color: #e81123;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 113, 197, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #00c389 0%, #009b6d 100%);
    --column-to-improve: linear-gradient(135deg, #0071c5 0%, #005a9e 100%);
    --column-action-items: linear-gradient(135deg, #00c7fd 0%, #00a3d9 100%);
}

/* Apple - Orchard */
body[data-theme="orchard"] {
    --bg-gradient-start: #555555;
    --bg-gradient-end: #1d1d1f;
    --primary-color: #0071e3;
    --primary-hover: #0056b3;
    --accent-color: #1d1d1f;
    --success-color: #34c759;
    --warning-color: #ff9500;
    --danger-color: #ff3b30;
    
    --card-bg: #ffffff;
    --card-border: #d2d2d7;
    --card-hover-shadow: rgba(0, 0, 0, 0.08);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #34c759 0%, #28a745 100%);
    --column-to-improve: linear-gradient(135deg, #ff9500 0%, #e88400 100%);
    --column-action-items: linear-gradient(135deg, #0071e3 0%, #0056b3 100%);
}

/* Google - Rainbow */
body[data-theme="rainbow"] {
    --bg-gradient-start: #4285f4;
    --bg-gradient-end: #ea4335;
    --primary-color: #4285f4;
    --primary-hover: #1a73e8;
    --accent-color: #ea4335;
    --success-color: #34a853;
    --warning-color: #fbbc04;
    --danger-color: #ea4335;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(66, 133, 244, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #34a853 0%, #2d8e47 100%);
    --column-to-improve: linear-gradient(135deg, #fbbc04 0%, #f9ab00 100%);
    --column-action-items: linear-gradient(135deg, #4285f4 0%, #1a73e8 100%);
}

/* Meta - Social */
body[data-theme="social"] {
    --bg-gradient-start: #1877f2;
    --bg-gradient-end: #0c63d4;
    --primary-color: #1877f2;
    --primary-hover: #0c63d4;
    --accent-color: #00a4ef;
    --success-color: #42b72a;
    --warning-color: #ff9800;
    --danger-color: #f02849;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(24, 119, 242, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #42b72a 0%, #36a420 100%);
    --column-to-improve: linear-gradient(135deg, #1877f2 0%, #0c63d4 100%);
    --column-action-items: linear-gradient(135deg, #00a4ef 0%, #0088cc 100%);
}

/* Netflix - Stream */
body[data-theme="stream"] {
    --bg-gradient-start: #e50914;
    --bg-gradient-end: #b20710;
    --primary-color: #e50914;
    --primary-hover: #b20710;
    --accent-color: #831010;
    --success-color: #46d369;
    --warning-color: #ffa500;
    --danger-color: #e50914;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(229, 9, 20, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #46d369 0%, #2eb553 100%);
    --column-to-improve: linear-gradient(135deg, #e50914 0%, #b20710 100%);
    --column-action-items: linear-gradient(135deg, #564d4d 0%, #221f1f 100%);
}

/* Tesla - Spark */
body[data-theme="spark"] {
    --bg-gradient-start: #cc0000;
    --bg-gradient-end: #e82127;
    --primary-color: #e82127;
    --primary-hover: #cc0000;
    --accent-color: #393c41;
    --success-color: #00c853;
    --warning-color: #ffab00;
    --danger-color: #e82127;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(232, 33, 39, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #00c853 0%, #00a344 100%);
    --column-to-improve: linear-gradient(135deg, #e82127 0%, #cc0000 100%);
    --column-action-items: linear-gradient(135deg, #393c41 0%, #2b2e32 100%);
}

/* IBM - BigBlue */
body[data-theme="bigblue"] {
    --bg-gradient-start: #0f62fe;
    --bg-gradient-end: #054ada;
    --primary-color: #0f62fe;
    --primary-hover: #0043ce;
    --accent-color: #054ada;
    --success-color: #24a148;
    --warning-color: #f1c21b;
    --danger-color: #da1e28;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(15, 98, 254, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #24a148 0%, #198038 100%);
    --column-to-improve: linear-gradient(135deg, #0f62fe 0%, #0043ce 100%);
    --column-action-items: linear-gradient(135deg, #8a3ffc 0%, #6929c4 100%);
}

/* Spotify - Sound */
body[data-theme="sound"] {
    --bg-gradient-start: #1db954;
    --bg-gradient-end: #1ed760;
    --primary-color: #1db954;
    --primary-hover: #169c46;
    --accent-color: #1ed760;
    --success-color: #1db954;
    --warning-color: #ffb700;
    --danger-color: #e22134;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(29, 185, 84, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #1db954 0%, #169c46 100%);
    --column-to-improve: linear-gradient(135deg, #ffb700 0%, #ff9500 100%);
    --column-action-items: linear-gradient(135deg, #191414 0%, #000000 100%);
}

/* Samsung - Galaxy */
body[data-theme="galaxy"] {
    --bg-gradient-start: #1428a0;
    --bg-gradient-end: #034ea2;
    --primary-color: #1428a0;
    --primary-hover: #0f1f7a;
    --accent-color: #034ea2;
    --success-color: #5fc88f;
    --warning-color: #ff6900;
    --danger-color: #e41e26;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(20, 40, 160, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #5fc88f 0%, #4ba876 100%);
    --column-to-improve: linear-gradient(135deg, #1428a0 0%, #0f1f7a 100%);
    --column-action-items: linear-gradient(135deg, #034ea2 0%, #023d82 100%);
}

/* Toyota - Drive */
body[data-theme="drive"] {
    --bg-gradient-start: #eb0a1e;
    --bg-gradient-end: #c00;
    --primary-color: #eb0a1e;
    --primary-hover: #c00;
    --accent-color: #1a1a1a;
    --success-color: #00b140;
    --warning-color: #ff9e1b;
    --danger-color: #eb0a1e;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(235, 10, 30, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #00b140 0%, #009633 100%);
    --column-to-improve: linear-gradient(135deg, #ff9e1b 0%, #e88a00 100%);
    --column-action-items: linear-gradient(135deg, #eb0a1e 0%, #c00 100%);
}

/* IKEA - Nordic */
body[data-theme="nordic"] {
    --bg-gradient-start: #0051ba;
    --bg-gradient-end: #ffdb00;
    --primary-color: #0051ba;
    --primary-hover: #003d8f;
    --accent-color: #ffdb00;
    --success-color: #7cb342;
    --warning-color: #ffdb00;
    --danger-color: #d32f2f;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 81, 186, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #7cb342 0%, #689f38 100%);
    --column-to-improve: linear-gradient(135deg, #0051ba 0%, #003d8f 100%);
    --column-action-items: linear-gradient(135deg, #ffdb00 0%, #ffc400 100%);
}

/* Adobe - Creative */
body[data-theme="creative"] {
    --bg-gradient-start: #ff0000;
    --bg-gradient-end: #fa0f00;
    --primary-color: #ff0000;
    --primary-hover: #cc0000;
    --accent-color: #fa0f00;
    --success-color: #00dc82;
    --warning-color: #ffb800;
    --danger-color: #ff0000;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(255, 0, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #00dc82 0%, #00b36b 100%);
    --column-to-improve: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    --column-action-items: linear-gradient(135deg, #1473e6 0%, #0d66d0 100%);
}

/* Coca-Cola - Classic */
body[data-theme="classic"] {
    --bg-gradient-start: #f40009;
    --bg-gradient-end: #ed1c24;
    --primary-color: #f40009;
    --primary-hover: #c20007;
    --accent-color: #ed1c24;
    --success-color: #4caf50;
    --warning-color: #ffc107;
    --danger-color: #f40009;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(244, 0, 9, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #f40009 0%, #c20007 100%);
    --column-action-items: linear-gradient(135deg, #212121 0%, #000000 100%);
}

/* Nike - Victory */
body[data-theme="victory"] {
    --bg-gradient-start: #111;
    --bg-gradient-end: #000;
    --primary-color: #ff6b00;
    --primary-hover: #e65c00;
    --accent-color: #111;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(255, 107, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #ff6b00 0%, #e65c00 100%);
    --column-action-items: linear-gradient(135deg, #111 0%, #000 100%);
}

/* SAP - Crystal */
body[data-theme="crystal"] {
    --bg-gradient-start: #0070f2;
    --bg-gradient-end: #00aaff;
    --primary-color: #0070f2;
    --primary-hover: #005ac1;
    --accent-color: #00aaff;
    --success-color: #30b06b;
    --warning-color: #f0ab00;
    --danger-color: #e52929;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 112, 242, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #30b06b 0%, #279155 100%);
    --column-to-improve: linear-gradient(135deg, #0070f2 0%, #005ac1 100%);
    --column-action-items: linear-gradient(135deg, #5d36ff 0%, #4a2bcc 100%);
}

/* Alibaba - Dragon */
body[data-theme="dragon"] {
    --bg-gradient-start: #ff6a00;
    --bg-gradient-end: #ff8928;
    --primary-color: #ff6a00;
    --primary-hover: #e55f00;
    --accent-color: #ff8928;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --danger-color: #f5222d;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(255, 106, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #52c41a 0%, #43a617 100%);
    --column-to-improve: linear-gradient(135deg, #ff6a00 0%, #e55f00 100%);
    --column-action-items: linear-gradient(135deg, #1890ff 0%, #0078e8 100%);
}

/* Disney - Magic */
body[data-theme="magic"] {
    --bg-gradient-start: #0063e5;
    --bg-gradient-end: #1e3d8f;
    --primary-color: #0063e5;
    --primary-hover: #004db8;
    --accent-color: #1e3d8f;
    --success-color: #11ce7e;
    --warning-color: #ffb800;
    --danger-color: #e5004c;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 99, 229, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #11ce7e 0%, #0eb56d 100%);
    --column-to-improve: linear-gradient(135deg, #0063e5 0%, #004db8 100%);
    --column-action-items: linear-gradient(135deg, #e5004c 0%, #c0003e 100%);
}

/* Accenture - Accent */
body[data-theme="accent"] {
    --bg-gradient-start: #a100ff;
    --bg-gradient-end: #c700ff;
    --primary-color: #a100ff;
    --primary-hover: #8800cc;
    --accent-color: #c700ff;
    --success-color: #00d563;
    --warning-color: #ffb900;
    --danger-color: #e74856;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(161, 0, 255, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #00d563 0%, #00b355 100%);
    --column-to-improve: linear-gradient(135deg, #a100ff 0%, #8800cc 100%);
    --column-action-items: linear-gradient(135deg, #0078d4 0%, #005a9e 100%);
}

/* Adidas - Stripes */
body[data-theme="stripes"] {
    --bg-gradient-start: #000000;
    --bg-gradient-end: #1a1a1a;
    --primary-color: #000000;
    --primary-hover: #333333;
    --accent-color: #ffffff;
    --success-color: #00d084;
    --warning-color: #ff6b00;
    --danger-color: #ff0000;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 0, 0, 0.2);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #00d084 0%, #00a86b 100%);
    --column-to-improve: linear-gradient(135deg, #ff6b00 0%, #e65c00 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* AT&T - Network */
body[data-theme="network"] {
    --bg-gradient-start: #00a8e0;
    --bg-gradient-end: #0077be;
    --primary-color: #00a8e0;
    --primary-hover: #0090c4;
    --accent-color: #0077be;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 168, 224, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #28a745 0%, #218838 100%);
    --column-to-improve: linear-gradient(135deg, #00a8e0 0%, #0090c4 100%);
    --column-action-items: linear-gradient(135deg, #0077be 0%, #005a8c 100%);
}

/* Audi - Rings */
body[data-theme="rings"] {
    --bg-gradient-start: #bb0a30;
    --bg-gradient-end: #8d0722;
    --primary-color: #bb0a30;
    --primary-hover: #9a0826;
    --accent-color: #000000;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #bb0a30;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(187, 10, 48, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #bb0a30 0%, #9a0826 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* BMW - Motor */
body[data-theme="motor"] {
    --bg-gradient-start: #1c69d4;
    --bg-gradient-end: #0e4c92;
    --primary-color: #1c69d4;
    --primary-hover: #1557b0;
    --accent-color: #0e4c92;
    --success-color: #00d563;
    --warning-color: #ffb900;
    --danger-color: #e74856;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(28, 105, 212, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #00d563 0%, #00b355 100%);
    --column-to-improve: linear-gradient(135deg, #1c69d4 0%, #1557b0 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* Burberry - Plaid */
body[data-theme="plaid"] {
    --bg-gradient-start: #c19a6b;
    --bg-gradient-end: #8b7355;
    --primary-color: #000000;
    --primary-hover: #333333;
    --accent-color: #c19a6b;
    --success-color: #7cb342;
    --warning-color: #ffa726;
    --danger-color: #e53935;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(193, 154, 107, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #7cb342 0%, #689f38 100%);
    --column-to-improve: linear-gradient(135deg, #c19a6b 0%, #8b7355 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* Chanel - Elegance */
body[data-theme="elegance"] {
    --bg-gradient-start: #000000;
    --bg-gradient-end: #2d2d2d;
    --primary-color: #000000;
    --primary-hover: #333333;
    --accent-color: #ffffff;
    --success-color: #4caf50;
    --warning-color: #ffb400;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #d2d2d7;
    --card-hover-shadow: rgba(0, 0, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #757575 0%, #616161 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #2d2d2d 100%);
}

/* Cisco - Connect */
body[data-theme="connect"] {
    --bg-gradient-start: #049fd9;
    --bg-gradient-end: #027da5;
    --primary-color: #049fd9;
    --primary-hover: #0385b8;
    --accent-color: #6cc04a;
    --success-color: #6cc04a;
    --warning-color: #ffa500;
    --danger-color: #e53935;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(4, 159, 217, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #6cc04a 0%, #5aa73a 100%);
    --column-to-improve: linear-gradient(135deg, #049fd9 0%, #0385b8 100%);
    --column-action-items: linear-gradient(135deg, #027da5 0%, #016485 100%);
}

/* Dell - Tech */
body[data-theme="tech"] {
    --bg-gradient-start: #007db8;
    --bg-gradient-end: #005a87;
    --primary-color: #007db8;
    --primary-hover: #006799;
    --accent-color: #333333;
    --success-color: #5cb85c;
    --warning-color: #f0ad4e;
    --danger-color: #d9534f;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 125, 184, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #5cb85c 0%, #4cae4c 100%);
    --column-to-improve: linear-gradient(135deg, #007db8 0%, #006799 100%);
    --column-action-items: linear-gradient(135deg, #333333 0%, #1a1a1a 100%);
}

/* Emirates - Wings */
body[data-theme="wings"] {
    --bg-gradient-start: #d71921;
    --bg-gradient-end: #9e1419;
    --primary-color: #d71921;
    --primary-hover: #b6151c;
    --accent-color: #b59d5f;
    --success-color: #4caf50;
    --warning-color: #b59d5f;
    --danger-color: #d71921;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(215, 25, 33, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #d71921 0%, #b6151c 100%);
    --column-action-items: linear-gradient(135deg, #b59d5f 0%, #9d8650 100%);
}

/* Ferrari - Speed */
body[data-theme="speed"] {
    --bg-gradient-start: #dc0300;
    --bg-gradient-end: #a30200;
    --primary-color: #dc0300;
    --primary-hover: #b80200;
    --accent-color: #ffcd00;
    --success-color: #4caf50;
    --warning-color: #ffcd00;
    --danger-color: #dc0300;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(220, 3, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #dc0300 0%, #b80200 100%);
    --column-action-items: linear-gradient(135deg, #ffcd00 0%, #e5b800 100%);
}

/* FedEx - Express */
body[data-theme="express"] {
    --bg-gradient-start: #4d148c;
    --bg-gradient-end: #ff6600;
    --primary-color: #4d148c;
    --primary-hover: #3d1070;
    --accent-color: #ff6600;
    --success-color: #4caf50;
    --warning-color: #ff6600;
    --danger-color: #e53935;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(77, 20, 140, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #4d148c 0%, #3d1070 100%);
    --column-action-items: linear-gradient(135deg, #ff6600 0%, #e65c00 100%);
}

/* Gucci - Luxury */
body[data-theme="luxury"] {
    --bg-gradient-start: #00693e;
    --bg-gradient-end: #004d2d;
    --primary-color: #00693e;
    --primary-hover: #005532;
    --accent-color: #d4af37;
    --success-color: #4caf50;
    --warning-color: #d4af37;
    --danger-color: #c8102e;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 105, 62, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #00693e 0%, #005532 100%);
    --column-action-items: linear-gradient(135deg, #d4af37 0%, #c19f2f 100%);
}

/* H&M - Retail */
body[data-theme="retail"] {
    --bg-gradient-start: #e50000;
    --bg-gradient-end: #b30000;
    --primary-color: #e50000;
    --primary-hover: #cc0000;
    --accent-color: #000000;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #e50000;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(229, 0, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #e50000 0%, #cc0000 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* Honda - Reliable */
body[data-theme="reliable"] {
    --bg-gradient-start: #cc0000;
    --bg-gradient-end: #990000;
    --primary-color: #cc0000;
    --primary-hover: #b30000;
    --accent-color: #003d7a;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #cc0000;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(204, 0, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #cc0000 0%, #b30000 100%);
    --column-action-items: linear-gradient(135deg, #003d7a 0%, #002d5c 100%);
}

/* HP - Print */
body[data-theme="print"] {
    --bg-gradient-start: #0096d6;
    --bg-gradient-end: #0076ad;
    --primary-color: #0096d6;
    --primary-hover: #007cb8;
    --accent-color: #425563;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 150, 214, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #0096d6 0%, #007cb8 100%);
    --column-action-items: linear-gradient(135deg, #425563 0%, #2f3d49 100%);
}

/* KFC - Crispy */
body[data-theme="crispy"] {
    --bg-gradient-start: #f40027;
    --bg-gradient-end: #c2001f;
    --primary-color: #f40027;
    --primary-hover: #d50023;
    --accent-color: #000000;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f40027;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(244, 0, 39, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #f40027 0%, #d50023 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* Lenovo - Think */
body[data-theme="think"] {
    --bg-gradient-start: #e2231a;
    --bg-gradient-end: #b61c14;
    --primary-color: #e2231a;
    --primary-hover: #c61f16;
    --accent-color: #000000;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #e2231a;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(226, 35, 26, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #e2231a 0%, #c61f16 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* LG - Life */
body[data-theme="life"] {
    --bg-gradient-start: #a50034;
    --bg-gradient-end: #7d0028;
    --primary-color: #a50034;
    --primary-hover: #8c002c;
    --accent-color: #000000;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #a50034;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(165, 0, 52, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #a50034 0%, #8c002c 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* LinkedIn - Professional */
body[data-theme="professional"] {
    --bg-gradient-start: #0077b5;
    --bg-gradient-end: #005885;
    --primary-color: #0077b5;
    --primary-hover: #00669c;
    --accent-color: #313335;
    --success-color: #57ad68;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 119, 181, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #57ad68 0%, #489758 100%);
    --column-to-improve: linear-gradient(135deg, #0077b5 0%, #00669c 100%);
    --column-action-items: linear-gradient(135deg, #313335 0%, #1c1d1f 100%);
}

/* McAfee - Shield */
body[data-theme="shield"] {
    --bg-gradient-start: #c01414;
    --bg-gradient-end: #8b0f0f;
    --primary-color: #c01414;
    --primary-hover: #a01111;
    --accent-color: #000000;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #c01414;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(192, 20, 20, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #c01414 0%, #a01111 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* McDonald's - Golden */
body[data-theme="golden"] {
    --bg-gradient-start: #ffc72c;
    --bg-gradient-end: #da291c;
    --primary-color: #ffc72c;
    --primary-hover: #e5b228;
    --accent-color: #da291c;
    --success-color: #4caf50;
    --warning-color: #ffc72c;
    --danger-color: #da291c;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(255, 199, 44, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #ffc72c 0%, #e5b228 100%);
    --column-action-items: linear-gradient(135deg, #da291c 0%, #c22518 100%);
}

/* Mercedes - Star */
body[data-theme="star"] {
    --bg-gradient-start: #00adef;
    --bg-gradient-end: #0091cc;
    --primary-color: #00adef;
    --primary-hover: #0099d6;
    --accent-color: #000000;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 173, 239, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #00adef 0%, #0099d6 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* Nintendo - Play */
body[data-theme="play"] {
    --bg-gradient-start: #e60012;
    --bg-gradient-end: #b3000e;
    --primary-color: #e60012;
    --primary-hover: #cc0010;
    --accent-color: #8f8f8f;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #e60012;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(230, 0, 18, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #e60012 0%, #cc0010 100%);
    --column-action-items: linear-gradient(135deg, #8f8f8f 0%, #6f6f6f 100%);
}

/* PayPal - Digital */
body[data-theme="digital"] {
    --bg-gradient-start: #003087;
    --bg-gradient-end: #009cde;
    --primary-color: #003087;
    --primary-hover: #002970;
    --accent-color: #009cde;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 48, 135, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #003087 0%, #002970 100%);
    --column-action-items: linear-gradient(135deg, #009cde 0%, #0088c2 100%);
}

/* Pepsi - Refresh */
body[data-theme="refresh"] {
    --bg-gradient-start: #004b93;
    --bg-gradient-end: #e32934;
    --primary-color: #004b93;
    --primary-hover: #003d7a;
    --accent-color: #e32934;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #e32934;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 75, 147, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #004b93 0%, #003d7a 100%);
    --column-action-items: linear-gradient(135deg, #e32934 0%, #c7222c 100%);
}

/* Philips - Innovation */
body[data-theme="innovation"] {
    --bg-gradient-start: #0e5faf;
    --bg-gradient-end: #0a4a8a;
    --primary-color: #0e5faf;
    --primary-hover: #0b4d8f;
    --accent-color: #00a3e0;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(14, 95, 175, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #0e5faf 0%, #0b4d8f 100%);
    --column-action-items: linear-gradient(135deg, #00a3e0 0%, #0089c2 100%);
}

/* Porsche - Racing */
body[data-theme="racing"] {
    --bg-gradient-start: #d5001c;
    --bg-gradient-end: #a30016;
    --primary-color: #d5001c;
    --primary-hover: #b80018;
    --accent-color: #000000;
    --success-color: #4caf50;
    --warning-color: #ffb400;
    --danger-color: #d5001c;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(213, 0, 28, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #d5001c 0%, #b80018 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* Puma - Feline */
body[data-theme="feline"] {
    --bg-gradient-start: #000000;
    --bg-gradient-end: #333333;
    --primary-color: #000000;
    --primary-hover: #1a1a1a;
    --accent-color: #ffed00;
    --success-color: #4caf50;
    --warning-color: #ffed00;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 0, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #ffed00 0%, #e5d500 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* Starbucks - Coffee */
body[data-theme="coffee"] {
    --bg-gradient-start: #00704a;
    --bg-gradient-end: #005638;
    --primary-color: #00704a;
    --primary-hover: #005c3d;
    --accent-color: #00704a;
    --success-color: #00704a;
    --warning-color: #f1b24a;
    --danger-color: #e53935;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 112, 74, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #00704a 0%, #005c3d 100%);
    --column-to-improve: linear-gradient(135deg, #f1b24a 0%, #d99f3d 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* SurveyMonkey - Survey */
body[data-theme="survey"] {
    --bg-gradient-start: #00bf6f;
    --bg-gradient-end: #00a05f;
    --primary-color: #00bf6f;
    --primary-hover: #00a862;
    --accent-color: #ff9d00;
    --success-color: #00bf6f;
    --warning-color: #ff9d00;
    --danger-color: #e53935;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 191, 111, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #00bf6f 0%, #00a862 100%);
    --column-to-improve: linear-gradient(135deg, #0077cc 0%, #0065b3 100%);
    --column-action-items: linear-gradient(135deg, #ff9d00 0%, #e58900 100%);
}

/* Target - Bullseye */
body[data-theme="bullseye"] {
    --bg-gradient-start: #cc0000;
    --bg-gradient-end: #990000;
    --primary-color: #cc0000;
    --primary-hover: #b30000;
    --accent-color: #ffffff;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #cc0000;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(204, 0, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #cc0000 0%, #b30000 100%);
    --column-action-items: linear-gradient(135deg, #666666 0%, #4d4d4d 100%);
}

/* TikTok - Viral */
body[data-theme="viral"] {
    --bg-gradient-start: #000000;
    --bg-gradient-end: #fe2c55;
    --primary-color: #fe2c55;
    --primary-hover: #e52747;
    --accent-color: #25f4ee;
    --success-color: #4caf50;
    --warning-color: #25f4ee;
    --danger-color: #fe2c55;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(254, 44, 85, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #fe2c55 0%, #e52747 100%);
    --column-action-items: linear-gradient(135deg, #25f4ee 0%, #1fd9d3 100%);
}

/* T-Mobile - Magenta */
body[data-theme="magenta"] {
    --bg-gradient-start: #e20074;
    --bg-gradient-end: #b3005c;
    --primary-color: #e20074;
    --primary-hover: #c80066;
    --accent-color: #000000;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #e20074;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(226, 0, 116, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #e20074 0%, #c80066 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* UPS - Brown */
body[data-theme="brown"] {
    --bg-gradient-start: #351c15;
    --bg-gradient-end: #ffb500;
    --primary-color: #351c15;
    --primary-hover: #2a1610;
    --accent-color: #ffb500;
    --success-color: #4caf50;
    --warning-color: #ffb500;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(53, 28, 21, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #351c15 0%, #2a1610 100%);
    --column-action-items: linear-gradient(135deg, #ffb500 0%, #e5a300 100%);
}

/* Visa - Global */
body[data-theme="global"] {
    --bg-gradient-start: #1a1f71;
    --bg-gradient-end: #141856;
    --primary-color: #1a1f71;
    --primary-hover: #15195c;
    --accent-color: #f7b600;
    --success-color: #4caf50;
    --warning-color: #f7b600;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(26, 31, 113, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #1a1f71 0%, #15195c 100%);
    --column-action-items: linear-gradient(135deg, #f7b600 0%, #de9e00 100%);
}

/* Volkswagen - People */
body[data-theme="people"] {
    --bg-gradient-start: #001e50;
    --bg-gradient-end: #00153c;
    --primary-color: #001e50;
    --primary-hover: #001840;
    --accent-color: #009fe3;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 30, 80, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #001e50 0%, #001840 100%);
    --column-action-items: linear-gradient(135deg, #009fe3 0%, #008bc9 100%);
}

/* Volvo - Safety */
body[data-theme="safety"] {
    --bg-gradient-start: #003057;
    --bg-gradient-end: #002541;
    --primary-color: #003057;
    --primary-hover: #002847;
    --accent-color: #c8c8c8;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 48, 87, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #003057 0%, #002847 100%);
    --column-action-items: linear-gradient(135deg, #757575 0%, #616161 100%);
}

/* Walmart - Value */
body[data-theme="value"] {
    --bg-gradient-start: #0071ce;
    --bg-gradient-end: #005ba3;
    --primary-color: #0071ce;
    --primary-hover: #0062b0;
    --accent-color: #ffc220;
    --success-color: #4caf50;
    --warning-color: #ffc220;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(0, 113, 206, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #0071ce 0%, #0062b0 100%);
    --column-action-items: linear-gradient(135deg, #ffc220 0%, #e5ae1c 100%);
}

/* Xiaomi - Smart */
body[data-theme="smart"] {
    --bg-gradient-start: #ff6700;
    --bg-gradient-end: #e65c00;
    --primary-color: #ff6700;
    --primary-hover: #e65c00;
    --accent-color: #000000;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #ff6700;
    
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-hover-shadow: rgba(255, 103, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #ff6700 0%, #e65c00 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

/* Zara - Style */
body[data-theme="style"] {
    --bg-gradient-start: #000000;
    --bg-gradient-end: #333333;
    --primary-color: #000000;
    --primary-hover: #1a1a1a;
    --accent-color: #ffffff;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    
    --card-bg: #ffffff;
    --card-border: #d2d2d7;
    --card-hover-shadow: rgba(0, 0, 0, 0.15);
    --header-bg: #ffffff;
    --header-border: rgba(0, 0, 0, 0.05);
    --column-went-well: linear-gradient(135deg, #4caf50 0%, #43a047 100%);
    --column-to-improve: linear-gradient(135deg, #757575 0%, #616161 100%);
    --column-action-items: linear-gradient(135deg, #000000 0%, #333333 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    padding: 20px;
    margin: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
header {
    background: var(--header-bg);
    padding: 20px 32px;
    border-radius: 16px;
    box-shadow: 0 2px 8px var(--header-border);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    border: 2px solid var(--card-border);
}

header h1 {
    font-size: 24px;
    color: #1f2937;
    font-weight: 700;
    margin: 0;
}

.room-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f0f4ff;
    border-radius: 10px;
    border: 1px solid #e0e7ff;
}

.room-label {
    font-size: 12px;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.room-code {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* User Profile Display */
.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    border-radius: 24px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
}

.user-profile:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: white;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.participants-section {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: #f9fafb;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
}

.participants-label {
    font-size: 16px;
}

.participants-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.participant-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    opacity: 0.4;
    filter: grayscale(50%);
}

.participant-avatar:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    opacity: 0.6;
}

.participant-avatar.me {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    border: 2px solid #fbbf24;
    opacity: 1;
    filter: none;
}

.participant-avatar.creator {
    border: 3px double #fbbf24;
    box-shadow: 0 0 0 2px white, 0 0 0 4px #fbbf24, 0 2px 4px rgba(0, 0, 0, 0.1);
}

.participant-avatar.creator:hover {
    box-shadow: 0 0 0 2px white, 0 0 0 4px #fbbf24, 0 4px 8px rgba(0, 0, 0, 0.2);
}

.participant {
    padding: 6px 14px;
    background: #e0e7ff;
    color: #4338ca;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
}

.participant.me {
    background: #667eea;
    color: white;
}

/* Participants */
.participants {
    display: flex;
    align-items: center;
    gap: 10px;
}

.participants-label {
    font-size: 13px;
    font-weight: 600;
    color: #6b7280;
}

.participants-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.participant {
    padding: 6px 14px;
    background: #e0e7ff;
    color: #4338ca;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
}

.participant.me {
    background: var(--primary-color);
    color: white;
}

/* Theme Selector */
.theme-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: white;
    border-radius: 10px;
    border: 2px solid #e5e7eb;
    transition: all 0.2s ease;
}

.theme-selector:hover {
    border-color: var(--primary-color);
}

.theme-selector label {
    font-size: 14px;
    font-weight: 600;
    color: #6b7280;
    white-space: nowrap;
}

.theme-selector select {
    padding: 6px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    background: white;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}

.theme-selector select:hover {
    border-color: var(--primary-color);
}

.theme-selector select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: white;
    color: #6b7280;
    border: 2px solid #e5e7eb;
}

.btn-secondary:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    color: #374151;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.btn-warning {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #78350f;
    border: 2px solid #fbbf24;
    font-weight: 600;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-color: #d97706;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(251, 191, 36, 0.3);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    border-radius: 10px;
}

/* Welcome Screen */
.welcome-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.welcome-content {
    text-align: center;
    background: white;
    padding: 60px 80px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.welcome-content h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
}

.welcome-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
}

/* Retro Board */
.retro-board {
    display: block;
}

.columns-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Columns */
.column {
    background: #f9fafb;
    border-radius: 12px;
    padding: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    min-height: 500px;
}

.column-header {
    padding: 20px;
    border-radius: 12px 12px 0 0;
    margin-bottom: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.column-header h2 {
    font-size: 18px;
    color: white;
    font-weight: 600;
    margin: 0;
}

.card-count {
    background: rgba(255, 255, 255, 0.25);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    color: white;
    min-width: 30px;
    text-align: center;
}

.went-well {
    background: var(--column-went-well);
}

.to-improve {
    background: var(--column-to-improve);
}

.action-items {
    background: var(--column-action-items);
}

.cards-container {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
    padding: 20px;
    padding-top: 16px;
}

.add-card-btn {
    padding: 14px;
    background: white;
    border: 2px dashed #d1d5db;
    border-radius: 8px;
    color: #6b7280;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    margin: 0 20px 20px 20px;
}

.add-card-btn:hover {
    background: #f9fafb;
    border-color: #9ca3af;
    color: #374151;
    transform: translateY(-1px);
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 8px;
    padding: 16px;
    transition: all 0.2s;
    animation: slideIn 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    cursor: pointer;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card:hover {
    box-shadow: 0 4px 12px var(--card-hover-shadow);
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.card-author {
    display: none;
    font-size: 11px;
    font-weight: 600;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-delete {
    background: rgba(239, 68, 68, 0.1);
    border: none;
    cursor: pointer;
    font-size: 16px;
    opacity: 0;
    transition: all 0.2s;
    padding: 4px 8px;
    border-radius: 4px;
    color: #ef4444;
}

.card:hover .card-delete {
    opacity: 1;
}

.card-delete:hover {
    background: rgba(239, 68, 68, 0.2);
}

.card-text {
    color: #1f2937;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 12px;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-weight: 400;
}

.card-image {
    margin: 12px 0;
    border-radius: 8px;
    overflow: hidden;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
}

.card-image img {
    width: 100%;
    height: auto;
    max-height: 250px;
    object-fit: cover;
    display: block;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 8px;
    border-top: 1px solid #f3f4f6;
}

.card-footer-left {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.vote-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    color: #6b7280;
    font-weight: 600;
    position: relative;
    z-index: 10;
}

.vote-btn:hover {
    border-color: #f87171;
    background: #fef2f2;
    transform: scale(1.05);
}

.vote-btn:active {
    transform: scale(0.98);
}

.vote-btn.voted {
    border-color: #f87171;
    background: #fef2f2;
    color: #ef4444;
}

.vote-icon {
    width: 18px;
    height: 18px;
    pointer-events: none;
}

.vote-count {
    font-size: 13px;
    font-weight: 700;
    pointer-events: none;
}

.card-hidden .card-text {
    filter: blur(6px);
    user-select: none;
    pointer-events: none;
}

.card-hidden .card-image {
    filter: blur(10px);
    user-select: none;
    pointer-events: none;
}

.card-time {
    font-size: 11px;
    color: #9ca3af;
    font-weight: 500;
}

/* Modal */
.modal {
    display: none !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex !important;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 0;
    max-width: 540px;
    width: 90%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalFadeIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    border: 2px solid var(--card-border);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    border-bottom: 1px solid #f3f4f6;
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 22px;
    color: #1f2937;
    margin: 0;
    font-weight: 700;
}

.close-btn {
    background: #f3f4f6;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    font-size: 20px;
    cursor: pointer;
    color: #6b7280;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.close-btn:hover {
    background: #e5e7eb;
    color: #374151;
}

.modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.form-group {
    margin-bottom: 24px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s;
    line-height: 1.5;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

/* Image Upload Styles */
.image-upload-area {
    position: relative;
}

.image-input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.image-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
    border: 2px dashed #d1d5db;
    border-radius: 10px;
    background: #f9fafb;
    transition: all 0.2s;
    cursor: pointer;
}

.image-upload-area:hover .image-upload-label {
    border-color: #667eea;
    background: #f0f4ff;
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: #9ca3af;
    margin-bottom: 12px;
}

.upload-text {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 4px;
}

.upload-hint {
    font-size: 12px;
    color: #9ca3af;
}

.image-preview {
    position: relative;
    margin-top: 16px;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid #e5e7eb;
}

.image-preview img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
    display: block;
    background: #f9fafb;
}

.remove-image {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    line-height: 1;
}

.remove-image:hover {
    background: rgba(0, 0, 0, 0.8);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 32px;
    background: #f9fafb;
    border-top: 1px solid #f3f4f6;
    flex-shrink: 0;
}

.modal-footer .btn {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
}

.modal-footer .btn-secondary {
    background: white;
    color: #6b7280;
    border: 2px solid #e5e7eb;
}

.modal-footer .btn-secondary:hover {
    background: #f9fafb;
    border-color: #d1d5db;
}

.modal-footer .btn-primary {
    padding: 12px 28px;
}

/* Settings Modal Styles */
.settings-section {
    margin-bottom: 12px;
    border: 2px solid var(--card-border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--card-bg);
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-section-static {
    margin-bottom: 12px;
    border: 2px solid var(--card-border);
    border-radius: 10px;
    padding: 16px;
    background: var(--card-bg);
}

.settings-section-static:last-child {
    margin-bottom: 0;
}

.settings-section-static h4 {
    font-size: 16px;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid #f3f4f6;
}

.settings-section h4 {
    font-size: 16px;
    font-weight: 700;
    color: #1f2937;
    margin: 0;
    padding: 16px 20px;
    background: #f9fafb;
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
}

.settings-section h4:hover {
    background: #f3f4f6;
}

.settings-section h4::after {
    content: '▼';
    font-size: 12px;
    color: #6b7280;
    transition: transform 0.3s;
}

.settings-section.collapsed h4::after {
    transform: rotate(-90deg);
}

.section-content {
    padding: 16px;
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.settings-section.collapsed .section-content {
    max-height: 0;
    padding: 0 16px;
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    background: #f9fafb;
    border-radius: 8px;
    margin-bottom: 10px;
    transition: background 0.2s;
}

.setting-item:last-child {
    margin-bottom: 0;
}

.setting-item:hover {
    background: #f3f4f6;
}

.setting-info {
    flex: 1;
}

.setting-label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
}

.setting-description {
    display: block;
    font-size: 13px;
    color: #6b7280;
}

/* Storage Stats */
.storage-stats {
    background: transparent;
    border-radius: 0;
    padding: 0;
}

.storage-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid #f3f4f6;
    background: #f9fafb;
    border-radius: 8px;
    margin-bottom: 8px;
}

.storage-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.storage-label {
    font-size: 14px;
    color: #6b7280;
    font-weight: 500;
}

.storage-value {
    font-size: 16px;
    color: #1f2937;
    font-weight: 700;
}

.storage-warning {
    margin-top: 12px;
    padding: 12px;
    background: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: 8px;
    color: #92400e;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #d1d5db;
    transition: .3s;
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: #667eea;
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.vote-limit-input {
    width: 80px;
    padding: 10px 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    transition: all 0.2s;
}

.vote-limit-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.ttl-select {
    padding: 10px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    background: white;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 140px;
}

.ttl-select:focus {
    outline: none;
    border-color: #667eea;
}

.ttl-select:hover {
    border-color: #9ca3af;
}

.btn-small {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    min-width: 300px;
    max-width: 500px;
    padding: 16px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    transform: translateY(100px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10000;
    border-left: 4px solid;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    flex-shrink: 0;
}

.toast-message {
    flex: 1;
    font-size: 15px;
    font-weight: 500;
    color: #1f2937;
    line-height: 1.5;
}

.toast-success {
    border-left-color: #10b981;
}

.toast-success .toast-icon {
    background: #d1fae5;
    color: #10b981;
}

.toast-error {
    border-left-color: #ef4444;
}

.toast-error .toast-icon {
    background: #fee2e2;
    color: #ef4444;
}

.toast-info {
    border-left-color: #3b82f6;
}

.toast-info .toast-icon {
    background: #dbeafe;
    color: #3b82f6;
}

/* Emoji Styles */
.emoji-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 20px;
    padding: 6px 10px;
    margin-left: 4px;
    cursor: pointer;
    transition: all 0.2s;
    color: #6b7280;
    position: relative;
    z-index: 10;
}

.emoji-btn:hover {
    border-color: #f59e42;
    background: #fff7ed;
    transform: scale(1.08);
}

.emoji-reactions {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}

.emoji-reaction {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 16px;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 4px 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.emoji-reaction:hover {
    border-color: #f59e42;
    background: #fff7ed;
    transform: scale(1.05);
}

.emoji-reaction.user-reacted {
    border-color: #f59e42;
    background: #fff7ed;
}

.emoji-count {
    font-size: 12px;
    font-weight: 700;
    color: #6b7280;
}

.emoji-picker {
    display: none;
    flex-wrap: wrap;
    gap: 6px;
    background: #fff;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 12px;
    position: absolute;
    bottom: 45px;
    left: 0;
    z-index: 1000;
    min-width: 200px;
    max-width: 280px;
}

.emoji-picker[style*="display: block"] {
    display: flex !important;
}

.emoji-option {
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 6px;
    transition: all 0.2s;
    line-height: 1;
}

.emoji-option:hover {
    background: #f3f4f6;
    transform: scale(1.2);
}

.emoji-option:active {
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 1024px) {
    .columns-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .column {
        min-height: auto;
    }
    
    header {
        flex-wrap: wrap;
    }
    
    /* User profile responsive */
    .user-profile {
        padding: 6px 12px;
        gap: 8px;
    }
    
    .user-avatar {
        width: 28px;
        height: 28px;
        font-size: 16px;
    }
    
    .user-name {
        font-size: 13px;
        max-width: 120px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    header {
        padding: 15px 20px;
    }
    
    header h1 {
        font-size: 20px;
    }
    
    .room-code {
        font-size: 16px;
    }
    
    .participants-section {
        flex-wrap: wrap;
    }
    
    .header-actions {
        flex-wrap: wrap;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    /* User profile mobile - show only icon */
    .user-profile {
        padding: 8px;
        gap: 0;
    }
    
    .user-name {
        display: none;
    }
    
    .user-avatar {
        width: 32px;
        height: 32px;
    }
    
    .welcome-content {
        padding: 40px 30px;
    }
    
    .welcome-content h2 {
        font-size: 28px;
    }
    
    .modal-content {
        padding: 0;
    }
    
    .boards-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .dashboard-actions {
        width: 100%;
        flex-direction: column;
        gap: 10px;
    }
}

/* Dashboard View Styles */
.dashboard-view {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    display: none;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    gap: 24px;
}

.dashboard-title h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 8px 0;
}

.board-stats {
    display: flex;
    gap: 16px;
    align-items: center;
}

.stat-item {
    font-size: 14px;
    color: #6b7280;
}

.stat-divider {
    font-size: 14px;
    color: #d1d5db;
}

.dashboard-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.filter-input {
    padding: 10px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 14px;
    min-width: 300px;
}

.filter-input:focus {
    outline: none;
    border-color: #667eea;
}

.boards-section {
    margin-top: 24px;
}

.section-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 4px 0;
}

.section-desc {
    font-size: 14px;
    color: #6b7280;
    margin: 0 0 20px 0;
}

.boards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.board-card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.board-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--card-hover-shadow);
}

.board-card-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.board-card-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.board-card-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.board-role-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    flex-shrink: 0;
}

.creator-badge {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #78350f;
    box-shadow: 0 1px 3px rgba(251, 191, 36, 0.3);
}

.contributor-badge {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    color: #1e3a8a;
    box-shadow: 0 1px 3px rgba(59, 130, 246, 0.3);
}

.board-card-date {
    font-size: 12px;
    color: #9ca3af;
}

.board-card-info {
    font-size: 14px;
    color: #6b7280;
}

.board-card-count {
    font-weight: 500;
}

.board-preview {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    height: 80px;
    margin-top: 8px;
}

.preview-column {
    flex: 1;
    background: #e5e7eb;
    border-radius: 4px 4px 0 0;
    min-height: 20px;
    transition: all 0.3s ease;
}

.preview-column.went-well {
    background: linear-gradient(135deg, #10b981, #059669);
}

.preview-column.to-improve {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.preview-column.action-items {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.board-card-footer {
    display: flex;
    gap: 8px;
    padding-top: 8px;
    border-top: 1px solid #e5e7eb;
    margin-top: auto;
}

.board-action-btn {
    flex: 1;
    padding: 8px 12px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 13px;
    color: #6b7280;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.board-action-btn:hover {
    background: #f3f4f6;
    color: #374151;
}

.board-action-btn.delete-btn:hover {
    background: #fef2f2;
    color: #dc2626;
    border-color: #fecaca;
}

.board-action-btn.exit-btn:hover {
    background: #eff6ff;
    color: #2563eb;
    border-color: #bfdbfe;
}

.board-action-btn svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.add-board {
    background: var(--card-bg);
    border: 2px dashed var(--card-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    gap: 12px;
}

.add-board:hover {
    border-color: var(--primary-color);
    background: var(--card-bg);
    box-shadow: 0 4px 12px var(--card-hover-shadow);
    transform: none;
}

.add-board-icon {
    font-size: 48px;
    color: #9ca3af;
}

.add-board-text {
    font-size: 16px;
    font-weight: 500;
    color: #6b7280;
}

/* Back button */
.btn-text {
    background: transparent;
    border: none;
    padding: 8px 12px;
    color: #667eea;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-text:hover {
    background: #f0f4ff;
}

#boardTitle {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

#boardTitle h1 {
    margin: 0;
}

/* App title adjustments when board is open */
body.board-open #appTitle {
    font-size: 16px;
    opacity: 0.85;
    margin-bottom: 2px;
}

body #appTitle {
    transition: all 0.18s ease;
}

/* Sub-header that appears below top header when a board is open */
.sub-header {
    display: none;
    padding: 12px 0 18px 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.04);
}

/* ===== SIMPLE HEADER ===== */
.top-header {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: 12px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-left {
    flex: 1 1 auto;
    min-width: 0;
}

.header-right {
    flex-shrink: 0;
    margin-left: auto;
}

/* Back Button */
.btn-back {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: #6366f1;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.btn-back:hover {
    background: #4f46e5;
    transform: translateX(-2px);
}

/* Board Info */
.board-name {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 400px;
}

.board-id {
    display: none;
    font-size: 12px;
    font-weight: 600;
    color: #6366f1;
    background: #eff6ff;
    padding: 4px 10px;
    border-radius: 6px;
    font-family: 'Monaco', monospace;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

/* Participants */
.participants-section {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    background: #f9fafb;
    border-radius: 20px;
    border: 1px solid #e5e7eb;
}

.participants-list {
    display: flex;
    gap: 6px;
    align-items: center;
}

.participant-chip {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: white;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
    cursor: default;
    position: relative;
}

.participant-chip:hover {
    transform: scale(1.15);
    z-index: 10;
}

.participant-chip.me {
    border-color: #6366f1;
    box-shadow: 0 0 0 2px #6366f1;
}

.participant-chip.creator::after {
    content: '👑';
    position: absolute;
    top: -4px;
    right: -4px;
    font-size: 14px;
}

/* Header Action Buttons */
.header-action-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s;
}

.header-action-btn:hover {
    background: #e5e7eb;
    border-color: #d1d5db;
}

/* User Profile */
.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: transform 0.2s;
    border: 2px solid #e5e7eb;
}

.user-avatar:hover {
    transform: scale(1.05);
}

.user-name {
    font-size: 14px;
    font-weight: 500;
    color: #1f2937;
    white-space: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
    .top-header {
        padding: 10px 16px;
    }
    
    .header-content {
        gap: 12px;
    }
    
    .board-name {
        font-size: 16px;
        max-width: 200px;
    }
    
    .board-id {
        font-size: 11px;
        padding: 3px 8px;
    }
    
    .participant-chip {
        width: 28px;
        height: 28px;
        font-size: 10px;
    }
    
    .btn-back,
    .header-action-btn,
    .user-avatar {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .participants-section {
        padding: 4px 8px;
    }
}

/* ===== BOARD PANEL ===== */
.board-panel {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(168, 85, 247, 0.03) 100%);
    border-top: 1px solid rgba(99, 102, 241, 0.1);
    border-bottom: 2px solid rgba(99, 102, 241, 0.15);
    padding: 20px 24px;
    display: none;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.08);
}

body.board-open .board-panel {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.board-panel-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

.board-title-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.board-title {
    font-size: 32px;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.board-subtitle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: #6b7280;
    flex-wrap: wrap;
}

.board-stat-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: white;
    border: 2px solid rgba(99, 102, 241, 0.15);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.1);
    transition: all 0.2s ease;
}

.board-stat-card:hover {
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.2);
    transform: translateY(-2px);
    border-color: rgba(99, 102, 241, 0.3);
}

.board-stat-icon {
    font-size: 24px;
    line-height: 1;
}

.board-stat-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.board-stat-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #9ca3af;
    line-height: 1;
}

.board-stat-value {
    font-size: 15px;
    font-weight: 700;
    color: #1f2937;
    font-family: 'Monaco', 'Courier New', monospace;
    line-height: 1.2;
}

.board-participants-list {
    display: flex;
    gap: 4px;
    align-items: center;
    margin-top: 4px;
}

.participant-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: white;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    position: relative;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.participant-avatar:hover {
    transform: scale(1.15);
    z-index: 10;
}

.participant-avatar.me {
    border-color: #6366f1;
    box-shadow: 0 0 0 2px #6366f1, 0 2px 8px rgba(99, 102, 241, 0.4);
}

.participant-avatar.creator::after {
    content: '👑';
    position: absolute;
    top: -6px;
    right: -6px;
    font-size: 14px;
    background: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .dashboard-stats {
        flex-wrap: wrap;
    }
    
    .stat-card {
        padding: 8px 12px;
    }
    
    .stat-value {
        font-size: 18px;
    }
    
    .board-panel-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .board-title {
        font-size: 24px;
    }
    
    .board-stats-cards {
        flex-wrap: wrap;
        width: 100%;
    }
    
    .board-stat-card {
        flex: 1;
        min-width: 140px;
    }
}

/* Sub-header enter animation (legacy) */
.sub-header {
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 220ms ease, transform 220ms ease;
}

body.board-open .sub-header {
    opacity: 1;
    transform: translateY(0);
}

/* Tooltip for full title */
.board-title-main[title] {
    cursor: default;
}
.board-title-main[title]:hover::after {
    content: attr(title);
    position: absolute;
    background: rgba(17,24,39,0.95);
    color: #fff;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    transform: translateY(8px);
    z-index: 12000;
}

/* Participant avatars inside subtitle */
.participant-avatars {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: 8px;
}
.participant-avatar-small {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: white;
    border: 2px solid #fff;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}
.participant-more {
    font-size: 11px;
    color: #6b7280;
    padding-left: 6px;
}

/* Professional Board Header */
.board-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.board-title-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.board-title-main {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: #1f2937;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0; /* allow truncation inside flex */
}

.board-meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #6b7280;
    flex: 0 0 auto; /* do not shrink */
}

.board-id-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 4px;
    font-weight: 600;
    font-size: 11px;
}

.board-id-label {
    opacity: 0.9;
}

.board-id-code {
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
}

.board-meta-divider {
    color: #d1d5db;
    font-weight: 300;
}

.board-date {
    font-size: 12px;
    color: #6b7280;
    font-weight: 400;
}

.board-participants {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.board-subtitle {
    font-size: 13px;
    color: #6b7280;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.participants-icon {
    font-size: 12px;
}

/* Responsive Board Header */
@media (max-width: 768px) {
    .board-title-main {
        font-size: 16px;
    }
    
    .board-meta {
        flex-wrap: wrap;
        gap: 6px;
        font-size: 10px;
    }
    
    .board-id-badge {
        font-size: 10px;
        padding: 2px 6px;
    }
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Modal Overlay for User Setup */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    backdrop-filter: blur(6px);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-overlay .modal-content {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    animation: slideUp 0.3s ease;
    max-width: 90%;
    width: 100%;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-overlay .form-group {
    margin-bottom: 0;
}

.modal-overlay input[type="text"] {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.modal-overlay input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Button Styles */
.btn-secondary {
    background: #f3f4f6;
    color: #374151;
    border: 2px solid #e5e7eb;
}

.btn-secondary:hover {
    background: #e5e7eb;
    border-color: #d1d5db;
}