@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
:root{
    --bg:#0a0e1a;--bg-sidebar:#0d1120;--bg-card:#111827;--bg-card2:#151c2c;
    --bg-hover:rgba(255,255,255,0.04);--bg-glass:rgba(255,255,255,0.03);
    --border:rgba(255,255,255,0.06);--border2:rgba(255,255,255,0.1);
    --text:#e2e8f0;--text2:#94a3b8;--text3:#64748b;
    --accent:#6366f1;--accent2:#818cf8;--accent-bg:rgba(99,102,241,0.12);
    --green:#22c55e;--red:#ef4444;--orange:#f59e0b;--cyan:#06b6d4;--purple:#a855f7;
    --radius:10px;--radius-sm:8px;
    --transition:all .2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;}

/* ═══ App Layout ═══ */
.app-layout{display:flex;min-height:100vh;}

/* ═══ Sidebar ═══ */
.sidebar{width:220px;background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:200;}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:20px 18px 16px;border-bottom:1px solid var(--border);}
.brand-icon{width:36px;height:36px;background:var(--accent-bg);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;}
.brand-name{font-size:1.15em;font-weight:700;color:var(--text);}
.brand-sub{font-size:0.72em;color:var(--text3);margin-top:1px;}
.sidebar-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:2px;}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);color:var(--text2);text-decoration:none;font-size:0.9em;font-weight:500;transition:var(--transition);}
.nav-item:hover{background:var(--bg-hover);color:var(--text);}
.nav-item.active{background:var(--accent);color:#fff;}
.nav-item svg{flex-shrink:0;}
.sidebar-user{display:flex;align-items:center;gap:10px;padding:14px 16px;border-top:1px solid var(--border);margin-top:auto;}
.user-avatar{width:34px;height:34px;border-radius:50%;background:var(--accent-bg);color:var(--accent2);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:0.85em;flex-shrink:0;}
.user-meta{flex:1;min-width:0;}
.user-name{font-size:0.85em;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.user-email-small{font-size:0.72em;color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sidebar-logout{background:none;border:none;color:var(--text3);cursor:pointer;padding:6px;border-radius:6px;transition:var(--transition);flex-shrink:0;}
.sidebar-logout:hover{color:var(--red);background:rgba(239,68,68,0.1);}

/* ═══ Main Wrapper ═══ */
.main-wrapper{flex:1;margin-left:220px;display:flex;flex-direction:column;min-height:100vh;}

/* ═══ Topbar ═══ */
.topbar{display:flex;align-items:center;gap:16px;padding:14px 28px;border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:100;}
.topbar-left{flex:1;}
.topbar-title{font-size:1.3em;font-weight:700;color:var(--text);margin:0;}
.topbar-sub{font-size:0.82em;color:var(--text3);margin-top:2px;}
.topbar-actions{display:flex;align-items:center;gap:6px;}
.topbar-btn{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--bg-glass);border:1px solid var(--border);color:var(--text2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);padding:0;}
.topbar-btn:hover{background:var(--bg-hover);color:var(--text);}
.topbar-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent-bg);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--accent2);}

/* Alert/Status Pill */
#alertDisplay{display:inline-flex;align-items:center;padding:6px 16px;border-radius:20px;font-size:0.82em;font-weight:500;white-space:nowrap;}
#alertDisplay::before{content:'';width:8px;height:8px;border-radius:50%;margin-right:8px;flex-shrink:0;}
.alert-bar.alert-normal{background:rgba(34,197,94,0.1);color:#4ade80;}
.alert-bar.alert-normal::before{background:var(--green);}
.alert-bar.alert-warning{background:rgba(245,158,11,0.1);color:#fcd34d;}
.alert-bar.alert-warning::before{background:var(--orange);}
.alert-bar.alert-danger{background:rgba(239,68,68,0.1);color:#fca5a5;animation:pulse-d 2s infinite;}
.alert-bar.alert-danger::before{background:var(--red);}
@keyframes pulse-d{0%,100%{box-shadow:none;}50%{box-shadow:0 0 12px rgba(239,68,68,0.2);}}

/* ═══ Main Content ═══ */
.main-content{flex:1;padding:24px 28px;overflow-y:auto;}

/* ═══ Stats Row ═══ */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px;}
.stats-row-6{grid-template-columns:repeat(6,1fr);}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;align-items:flex-start;gap:14px;transition:var(--transition);}
.stat-card:hover{border-color:var(--border2);}
.stat-icon{width:42px;height:42px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.si-blue{background:rgba(59,130,246,0.12);color:#60a5fa;}
.si-red{background:rgba(239,68,68,0.12);color:#f87171;}
.si-green{background:rgba(34,197,94,0.12);color:#4ade80;}
.si-purple{background:rgba(168,85,247,0.12);color:#c084fc;}
.si-cyan{background:rgba(6,182,212,0.12);color:#22d3ee;}
.si-orange{background:rgba(245,158,11,0.12);color:#fbbf24;}
.stat-label{font-size:0.78em;color:var(--text3);font-weight:500;text-transform:uppercase;letter-spacing:0.03em;}
.stat-value{font-size:1.5em;font-weight:700;color:var(--text);margin:2px 0;}
.stat-value small{font-size:0.5em;font-weight:500;color:var(--text2);}
.stat-sub{font-size:0.75em;font-weight:500;}
.stat-sub.green{color:var(--green);}
.stat-sub.red{color:var(--red);}
.stat-sub.muted{color:var(--text3);}

/* ═══ Cards ═══ */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;position:relative;transition:var(--transition);}
.card:hover{border-color:var(--border2);}
.card-head{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:14px;padding-right:120px;}
.card-title{display:flex;align-items:center;gap:8px;font-size:0.95em;font-weight:600;color:var(--text);width:100%;}
.card-title svg{color:var(--accent2);flex-shrink:0;}
.card-subtitle{font-size:0.78em;color:var(--text3);width:100%;padding-left:26px;margin-top:-2px;}
.card-title-simple{font-size:0.95em;font-weight:600;color:var(--text);margin-bottom:12px;}
.card-action-btn{position:absolute;top:16px;right:16px;display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-sm);background:var(--bg-glass);border:1px solid var(--border);color:var(--text2);font-size:0.78em;font-weight:500;cursor:pointer;text-decoration:none;transition:var(--transition);z-index:2;}
.card-action-btn:hover{background:var(--bg-hover);color:var(--text);}

/* ═══ Dashboard Grid ═══ */
.dash-grid{display:grid;grid-template-columns:1fr 320px;gap:16px;}
.dash-left,.dash-right{display:flex;flex-direction:column;gap:16px;}

/* ═══ History Grid ═══ */
.history-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.history-left,.history-right{display:flex;flex-direction:column;gap:20px;}

/* ═══ Video Grid ═══ */
.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:10px;margin-bottom:8px;}
.video-grid:empty{display:none;}
.video-grid-item{position:relative;background:#000;aspect-ratio:16/9;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;transition:var(--transition);}
.video-grid-item:hover{border-color:var(--border2);}
.video-grid-item.focused{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-bg);}
.video-grid-item img{width:100%;height:100%;object-fit:contain;display:block;}
.camera-name-overlay{position:absolute;bottom:6px;left:6px;background:rgba(0,0,0,0.75);backdrop-filter:blur(4px);color:#fff;padding:3px 8px;font-size:0.72em;border-radius:4px;font-weight:500;pointer-events:none;}

/* ═══ Grid Controls ═══ */
.grid-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 0;border-bottom:1px solid var(--border);margin-bottom:12px;}

/* ═══ Empty States ═══ */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px;text-align:center;}
.empty-title{font-size:0.9em;font-weight:600;color:var(--text);margin-top:10px;}
.empty-sub{font-size:0.8em;color:var(--text3);margin-top:3px;}

/* ═══ Activity Feed ═══ */
.activity-feed{display:flex;flex-direction:column;}
.activity-item{display:flex;align-items:flex-start;gap:12px;padding:12px 4px;border-bottom:1px solid var(--border);transition:var(--transition);}
.activity-item:last-child{border-bottom:none;}
.activity-item:hover{background:var(--bg-hover);border-radius:var(--radius-sm);}
.activity-icon{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:0.85em;}
.activity-icon.ai-blue{background:rgba(59,130,246,0.12);color:#60a5fa;}
.activity-icon.ai-purple{background:rgba(168,85,247,0.12);color:#c084fc;}
.activity-icon.ai-red{background:rgba(239,68,68,0.12);color:#f87171;}
.activity-icon.ai-green{background:rgba(34,197,94,0.12);color:#4ade80;}
.activity-icon.ai-yellow{background:rgba(245,158,11,0.12);color:#fbbf24;}
.activity-body{flex:1;min-width:0;}
.activity-title{font-size:0.85em;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.activity-detail{font-size:0.78em;color:var(--text3);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.activity-time{font-size:0.72em;color:var(--text3);white-space:nowrap;flex-shrink:0;margin-top:2px;}
.activity-feed::-webkit-scrollbar{width:4px;}
.activity-feed::-webkit-scrollbar-track{background:transparent;}
.activity-feed::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px;}
/* ═══ Buttons ═══ */
button,.btn{font-family:inherit;}
.btn-sm{padding:7px 14px;font-size:0.82em;border-radius:var(--radius-sm);}
.btn-primary{background:var(--accent);color:#fff;border:none;font-weight:600;cursor:pointer;transition:var(--transition);}
.btn-primary:hover{opacity:0.9;}
.btn-secondary{background:var(--bg-glass);color:var(--text2);border:1px solid var(--border);cursor:pointer;transition:var(--transition);}
.btn-secondary:hover{background:var(--bg-hover);color:var(--text);}
.btn-accent{background:var(--accent);color:#fff;border:none;padding:10px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:0.88em;cursor:pointer;margin-top:14px;transition:var(--transition);}
.btn-accent:hover{opacity:0.9;transform:translateY(-1px);}

/* ═══ Focused Camera ═══ */
.live-badge{position:absolute;top:18px;right:20px;font-size:0.75em;font-weight:600;color:var(--red);display:flex;align-items:center;gap:4px;}
.focused-data{display:flex;flex-direction:column;gap:6px;margin-top:12px;}
.data-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:0.88em;color:var(--text2);border-bottom:1px solid var(--border);}
.data-row:last-child{border-bottom:none;}
.data-val{font-weight:600;color:var(--accent2);}

/* ═══ Quick Tools ═══ */
.quick-tools{display:flex;flex-wrap:wrap;gap:8px;}
.qt-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);font-size:0.82em;font-weight:500;cursor:pointer;text-decoration:none;transition:var(--transition);border:1px solid var(--border);}
.qt-blue{background:rgba(59,130,246,0.1);color:#60a5fa;border-color:rgba(59,130,246,0.2);}
.qt-blue:hover{background:rgba(59,130,246,0.18);}
.qt-green{background:rgba(34,197,94,0.1);color:#4ade80;border-color:rgba(34,197,94,0.2);}
.qt-green:hover{background:rgba(34,197,94,0.18);}
.qt-purple{background:rgba(168,85,247,0.1);color:#c084fc;border-color:rgba(168,85,247,0.2);}
.qt-purple:hover{background:rgba(168,85,247,0.18);}
.qt-red{background:rgba(239,68,68,0.1);color:#f87171;border-color:rgba(239,68,68,0.2);}

/* ═══ File Drop Zone ═══ */
.file-drop{border:2px dashed var(--border2);border-radius:var(--radius);padding:28px 20px;text-align:center;cursor:pointer;transition:var(--transition);}
.file-drop:hover{border-color:var(--accent);background:var(--accent-bg);}

/* ═══ Filters ═══ */
.filters-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;}
.filter-group{display:flex;flex-direction:column;}
.filter-group label{font-size:0.78em;font-weight:500;color:var(--text3);margin-bottom:4px;text-transform:uppercase;letter-spacing:0.03em;}
.filter-actions{display:flex;gap:6px;align-items:flex-end;}

/* ═══ Form Inputs ═══ */
select,input[type="text"],input[type="number"],input[type="email"],input[type="password"],input[type="date"],textarea{
    background:var(--bg-glass);border:1px solid var(--border);color:var(--text);padding:8px 12px;border-radius:var(--radius-sm);font-size:0.88em;font-family:inherit;transition:var(--transition);outline:none;}
select:focus,input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-bg);}
select{cursor:pointer;min-width:120px;}
textarea{resize:vertical;min-height:60px;}

/* ═══ Chart ═══ */
.chart-container{position:relative;min-height:280px;height:38vh;width:100%;border-radius:var(--radius-sm);background:var(--bg-glass);border:1px solid var(--border);padding:10px;}

/* ═══ Tables ═══ */
.table-wrapper{overflow-x:auto;width:100%;}
table,#historyTable{width:100%;border-collapse:collapse;font-size:0.82em;}
th,td,#historyTable th,#historyTable td{border:1px solid var(--border);padding:9px 12px;text-align:left;}
th,#historyTable th{background:rgba(255,255,255,0.02);font-weight:600;color:var(--text3);white-space:nowrap;font-size:0.78em;text-transform:uppercase;letter-spacing:0.04em;}
tr:hover,#historyTable tr:hover{background:rgba(255,255,255,0.02);}
td,#historyTable td{color:var(--text2);}

/* ═══ Pagination ═══ */
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px;padding-top:12px;border-top:1px solid var(--border);}
.pagination button:disabled{opacity:0.3;cursor:not-allowed;}

/* ═══ Modals ═══ */
.modal{position:fixed;inset:0;background:rgba(0,0,0,0.6);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1050;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility 0s linear .25s;}
.modal.active{opacity:1;visibility:visible;transition:opacity .25s ease;}
.modal-content{background:var(--bg-card2);border:1px solid var(--border);padding:28px;border-radius:12px;width:92%;max-width:520px;max-height:85vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,0.5);transform:scale(0.95);transition:transform .25s ease;position:relative;}
.modal.active .modal-content{transform:scale(1);}
.close-button{position:absolute;top:14px;right:18px;font-size:1.5em;color:var(--text3);cursor:pointer;background:none;border:none;padding:0;line-height:1;}
.close-button:hover{color:var(--text);}
.modal-content h4{font-size:1.1em;font-weight:600;color:var(--text);border-bottom:1px solid var(--border);padding-bottom:14px;margin:0 0 18px;}
.modal-content h5{font-size:0.95em;color:var(--text2);margin:0 0 10px;}
.modal-content label{display:block;margin:10px 0 4px;font-weight:500;font-size:0.82em;color:var(--text3);}
.modal-content input,.modal-content select,.modal-content textarea{width:100%;margin-bottom:10px;}
.modal-content button[type="submit"]{width:100%;background:var(--accent);color:#fff;border:none;padding:10px;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;margin-top:6px;transition:var(--transition);}
.modal-content button[type="submit"]:hover{opacity:0.9;}
.modal-content hr{border:0;border-top:1px solid var(--border);margin:18px 0;}
.modal-content ul{list-style:none;padding:0;max-height:160px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius-sm);}
.modal-content ul li{padding:9px 12px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-size:0.88em;color:var(--text2);}
.modal-content ul li:last-child{border-bottom:none;}
.modal-content ul li button{padding:4px 10px;font-size:0.78em;border-radius:6px;background:var(--bg-glass);border:1px solid var(--border);color:var(--text2);cursor:pointer;}

/* ═══ Login Page ═══ */
/* Login page uses inline styles in login.html */
.login-container{max-width:400px;width:100%;margin:auto;padding:20px;}
.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:36px 32px;box-shadow:0 20px 60px rgba(0,0,0,0.4);}
.login-card h2{text-align:center;font-size:1.5em;font-weight:700;background:linear-gradient(135deg,#6366f1,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:6px;}
.login-subtitle{text-align:center;color:var(--text3);font-size:0.85em;margin-bottom:24px;}
.login-card .form-group{margin-bottom:16px;}
.login-card label{display:block;margin-bottom:5px;font-weight:500;font-size:0.85em;color:var(--text2);}
.login-card input{width:100%;padding:11px 14px;}
.login-card button[type="submit"]{width:100%;padding:11px;background:linear-gradient(135deg,#6366f1,#7c3aed);color:#fff;border:none;border-radius:var(--radius-sm);font-size:0.95em;font-weight:600;cursor:pointer;margin-top:4px;transition:var(--transition);}
.login-card button[type="submit"]:hover{opacity:0.9;transform:translateY(-1px);}
.error-message{color:var(--red);text-align:center;margin-top:12px;font-size:0.85em;}
.login-hint{text-align:center;color:var(--text3);font-size:0.78em;margin-top:18px;}

/* ═══ Map Page ═══ */
#map{height:550px;width:100%;border-radius:var(--radius);border:1px solid var(--border);}
.map-container-wrapper{padding:0 0 14px;}
.legend{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;display:inline-block;}
.legend h4{margin:0 0 10px;font-size:0.95em;color:var(--text);border-bottom:1px solid var(--border);padding-bottom:6px;}
.legend-item{display:flex;align-items:center;margin-bottom:6px;font-size:0.82em;color:var(--text2);}
.legend-color{width:14px;height:14px;margin-right:8px;border-radius:3px;}
.routing-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.routing-controls h4{width:100%;margin:0 0 6px;font-size:0.95em;color:var(--text);}
#alternatePaths{margin-top:14px;padding:14px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);}
#alternatePaths h4{margin:0 0 8px;color:var(--text);}
#alternatePaths ul{list-style:none;padding:0;}
#alternatePaths li{padding:5px 0;color:var(--text2);font-size:0.88em;}

/* ═══ Tripwire ═══ */
.tripwire-setup-container{position:relative;width:640px;height:480px;margin:16px auto;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);}
#tripwireCanvas{position:absolute;top:0;left:0;cursor:crosshair;}
#tripwireFeed{width:100%;height:100%;}

/* ═══ Page Headers (non-dashboard) ═══ */
.page-header{margin-bottom:20px;}
.page-header h2{font-size:1.3em;font-weight:700;color:var(--text);margin-bottom:4px;}
.page-header p{color:var(--text3);font-size:0.88em;}

/* ═══ Footer ═══ */
footer{text-align:center;padding:16px;color:var(--text3);font-size:0.78em;border-top:1px solid var(--border);}

/* ═══ Scrollbar ═══ */
::-webkit-scrollbar{width:5px;height:5px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.08);border-radius:3px;}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.12);}

/* ═══ Responsive ═══ */
@media(max-width:1200px){.dash-grid{grid-template-columns:1fr;}.history-grid{grid-template-columns:1fr;}.stats-row-6{grid-template-columns:repeat(3,1fr);}}
@media(max-width:900px){.stats-row{grid-template-columns:repeat(2,1fr);}.stats-row-6{grid-template-columns:repeat(2,1fr);}}
@media(max-width:768px){.sidebar{display:none;}.main-wrapper{margin-left:0;}}

/* hidden helpers */
.hidden-button,.hidden{display:none!important;}
.delete-camera-button{display:none;}