:root{--bg-primary: #f5f7fa;--bg-secondary: #ffffff;--bg-tertiary: #f8fafc;--text-primary: #1a202c;--text-secondary: #4a5568;--text-muted: #718096;--border-color: #e2e8f0;--shadow-color: rgba(0, 0, 0, .1);--accent-color: #667eea;--accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--success-color: #10b981;--warning-color: #f59e0b;--error-color: #ef4444;--input-bg: #ffffff;--input-border: #d1d5db;--input-focus: #667eea;--popup-bg: rgba(0, 0, 0, .7)}@media (prefers-color-scheme: dark){:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border-color: #475569;--shadow-color: rgba(0, 0, 0, .3);--accent-color: #53598f;--accent-gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);--success-color: #34d399;--warning-color: #fbbf24;--error-color: #f87171;--input-bg: #1e293b;--input-border: #475569;--input-focus: #818cf8;--popup-bg: rgba(0, 0, 0, .7)}}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border-color: #475569;--shadow-color: rgba(0, 0, 0, .3);--accent-color: #53598f;--accent-gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);--success-color: #34d399;--warning-color: #fbbf24;--error-color: #f87171;--input-bg: #1e293b;--input-border: #475569;--input-focus: #818cf8;--popup-bg: rgba(0, 0, 0, .7)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:background-color .3s ease,color .3s ease}.container{margin:0;padding:0;width:100vw;height:100vh;display:flex;flex-direction:column;overflow-y:auto}.content-wrapper{display:flex;flex-direction:column;flex:1;min-height:0}header{background:var(--accent-color);color:#fff;padding:.75rem 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ease}.btn:hover{transform:translateY(-1px);box-shadow:0 4px 8px var(--shadow-color)}a.btn{text-decoration:none;text-align:center}select{padding:.75rem 1rem;border:1px solid var(--input-border);border-radius:6px;background:var(--input-bg);color:var(--text-primary);font-size:.9rem;cursor:pointer;transition:background-color .3s ease,border-color .3s ease,color .3s ease}select:focus{outline:none;border-color:var(--input-focus);box-shadow:0 0 0 3px #667eea1a}.date-navigation{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.prev-next-nav{flex-grow:1;display:flex;flex-direction:row;align-items:center;gap:1rem}input[type=date]{padding:.75rem 1rem;border:1px solid var(--input-border);border-radius:6px;background:var(--input-bg);color:var(--text-primary);font-size:.9rem;cursor:pointer;transition:background-color .3s ease,border-color .3s ease,color .3s ease}input[type=date]:focus{outline:none;border-color:var(--input-focus);box-shadow:0 0 0 3px 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.memorial-controls{display:flex;flex-direction:row;justify-content:center;align-items:center;flex-wrap:wrap;padding:.75rem 0 0;gap:1rem}.memorial-popup .btn{background:var(--accent-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:6px;cursor:pointer;font-size:.9rem;font-weight:500;transition:all .2s ease}.memorial-popup .btn:hover{transform:translateY(-1px);box-shadow:0 4px 8px var(--shadow-color)}.memorial-popup.hidden{display:none}@media (orientation: landscape) and (max-height: 512px){.memorial-popup-content{display:flex;align-items:center;gap:2rem;padding:1rem}.memorial-popup .ghostrider-image{flex:5;margin:0}.memorial-image{max-height:80vh}.memorial-popup .memorial-controls{flex:1;flex-direction:column}.memorial-popup-content h3,.memorial-popup-content .btn{text-align:center}.memorial-popup-content h3{margin-bottom:1.5rem}}@media (max-width: 480px){header 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.btn,select,input[type=date]{width:100%;margin-bottom:.5rem}.date-navigation{flex-direction:inherit;align-items:stretch}}@media (orientation: landscape) and (max-width: 680px){.charts-container{flex:3}}