:root{--bg-primary: #0f1923;--bg-secondary: #1a2736;--bg-card: #1e2d3d;--text-primary: #e4e8ec;--text-secondary: #8899a6;--accent: #1da1f2;--accent-hover: #1a91da;--success: #17bf63;--warning: #ffad1f;--danger: #e0245e;--border: #2f3f4f}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh}.app{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0}.sidebar-header{padding:20px;border-bottom:1px solid var(--border)}.sidebar-header h1{font-size:18px;color:var(--accent)}.sidebar-header p{font-size:12px;color:var(--text-secondary);margin-top:4px}.sidebar nav{padding:12px}.sidebar nav a{display:block;padding:10px 12px;color:var(--text-secondary);text-decoration:none;border-radius:6px;font-size:14px;margin-bottom:2px}.sidebar nav a:hover,.sidebar nav a.active{background:var(--bg-card);color:var(--text-primary)}.main-content{flex:1;overflow-y:auto;padding:24px}.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:20px;margin-bottom:20px}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.panel-header h2{font-size:16px;font-weight:600}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}.stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;padding:16px}.stat-card .label{font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.stat-card .value{font-size:28px;font-weight:700;margin-top:4px}.stat-card .unit{font-size:14px;color:var(--text-secondary);font-weight:400}button{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:8px 16px;font-size:14px;cursor:pointer}button:hover{background:var(--accent-hover)}select{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-size:14px}table{width:100%;border-collapse:collapse}table th{text-align:left;padding:10px 12px;font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}table td{padding:10px 12px;font-size:14px;border-bottom:1px solid var(--border)}table tr:hover td{background:var(--bg-secondary)}.map-container{height:400px;border-radius:8px;overflow:hidden}.video-container{position:relative;background:#000;border-radius:8px;overflow:hidden}.video-container video{width:100%;display:block}.timeline-bar{height:4px;background:var(--border);border-radius:2px;position:relative;cursor:pointer;margin:16px 0}.timeline-bar .progress{height:100%;background:var(--accent);border-radius:2px}.timeline-bar .markers .marker{position:absolute;top:-3px;width:10px;height:10px;border-radius:50%;transform:translate(-50%)}.marker.tack{background:var(--warning)}.marker.gybe{background:var(--danger)}.loading{display:flex;align-items:center;justify-content:center;height:200px;color:var(--text-secondary)}.file-type-badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase;color:#fff}.tab-buttons{display:flex;gap:8px}.tab-buttons button{background:var(--bg-secondary);border:1px solid var(--border)}.tab-buttons button.active{background:var(--accent);border-color:var(--accent)}input[type=date]{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-size:14px}input[type=date]::-webkit-calendar-picker-indicator{filter:invert(.8)}.device-card{cursor:pointer;transition:transform .1s,border-color .1s}.device-card:hover{transform:translateY(-2px);border-color:var(--accent)}.file-row:hover td{background:var(--bg-secondary)}.download-btn{padding:4px 12px;font-size:12px}.sessions-list{display:flex;flex-direction:column;gap:12px}.session-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:16px}.session-card:hover{border-color:var(--accent)}.session-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.session-id{display:flex;flex-direction:column}.session-label{font-size:11px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.session-name{font-size:18px;font-weight:600;color:var(--accent)}.session-time{text-align:right}.time-local{display:block;font-size:16px;font-weight:500}.time-utc{display:block;font-size:12px;color:var(--text-secondary)}.session-details{display:flex;justify-content:space-between;align-items:center}.session-files{display:flex;align-items:center;gap:8px}.file-count,.file-size{font-size:13px;color:var(--text-secondary)}.ppk-details-panel{margin-top:16px;padding:16px;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px}.ppk-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}.ppk-stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;padding:12px;text-align:center}.ppk-stat-label{font-size:11px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.ppk-stat-value{font-size:20px;font-weight:700;color:var(--text-primary)}.ppk-stat-detail{font-size:11px;color:var(--text-secondary);margin-top:2px}.ppk-quality-section{margin-bottom:12px}.ppk-quality-label{font-size:12px;color:var(--text-secondary);margin-bottom:8px}.ppk-quality-bar{display:flex;height:12px;border-radius:6px;overflow:hidden;background:var(--bg-secondary)}.ppk-quality-segment{height:100%;transition:width .3s ease}.ppk-quality-fix{background:#10b981}.ppk-quality-float{background:#f59e0b}.ppk-quality-single{background:#ef4444}.ppk-quality-legend{display:flex;gap:16px;margin-top:8px;font-size:12px}.ppk-legend-item{display:flex;align-items:center;gap:6px;color:var(--text-secondary)}.ppk-legend-color{width:10px;height:10px;border-radius:2px;display:inline-block}.ppk-timeline{font-size:12px;color:var(--text-secondary);padding-top:12px;border-top:1px solid var(--border)}.ppk-timeline-label{margin-right:8px}.ppk-timeline-value{color:var(--text-primary)}.ppk-error-panel{background:#ef445e1a;border-color:#ef445e4d}.ppk-error{display:flex;align-items:flex-start;gap:10px}.ppk-error-icon{font-size:16px}.ppk-error-message{font-size:13px;color:#ef4444;line-height:1.4}@media (max-width: 768px){.app{flex-direction:column}.sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border)}.grid-2,.grid-3{grid-template-columns:1fr}.tab-buttons{flex-wrap:wrap}.ppk-stats-grid{grid-template-columns:repeat(2,1fr)}}