/* ========== RESET & BASE ========== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0f1724;--bg2:#151f30;--bg3:#1a2744;--card:#182136;
  --border:#243447;--text:#e2e8f0;--text2:#94a3b8;--accent:#4a9eff;
  --green:#22c55e;--red:#ef4444;--orange:#f59e0b;--purple:#a855f7;
  --sidebar-w:240px;
}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;font-size:14px}
a{color:var(--accent);text-decoration:none;cursor:pointer}
.hidden{display:none!important}
.accent{color:var(--accent)}
h3{font-size:16px;font-weight:600} h4{font-size:14px;font-weight:600}

/* ========== LOGIN ========== */
.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0a0f1a 0%,#0f1f3a 50%,#0a1628 100%);position:relative}
.login-bg-animation{position:absolute;inset:0;background:radial-gradient(circle at 30% 50%,rgba(74,158,255,.08) 0%,transparent 50%),radial-gradient(circle at 70% 30%,rgba(34,197,94,.05) 0%,transparent 40%);animation:bgPulse 8s ease infinite alternate}
@keyframes bgPulse{0%{opacity:.5}100%{opacity:1}}
.login-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:48px 40px;width:420px;position:relative;z-index:1;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.login-logo{text-align:center;margin-bottom:32px}
.logo-icon-large{width:64px;height:64px;background:linear-gradient(135deg,var(--accent),#2563eb);border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-size:28px;color:#fff;margin-bottom:16px}
.login-logo h1{font-size:32px;font-weight:800;letter-spacing:-1px}
.login-subtitle{color:var(--text2);font-size:13px;margin-top:4px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:12px;font-weight:500;color:var(--text2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.form-group input,.form-select{width:100%;padding:12px 16px;background:var(--bg2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;outline:none;transition:border .2s}
.form-group input:focus,.form-select:focus{border-color:var(--accent)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#2563eb);color:#fff;border:none;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .1s,box-shadow .2s;display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px rgba(74,158,255,.3)}
.btn-full{width:100%;justify-content:center}
.login-footer{text-align:center;color:var(--text2);font-size:11px;margin-top:24px}

/* ========== LAYOUT ========== */
.main-app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}
.sidebar-logo{padding:20px 16px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border)}
.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),#2563eb);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff}
.logo-text{font-size:20px;font-weight:800;letter-spacing:-0.5px}
.sidebar-nav{flex:1;padding:12px 8px;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:8px;color:var(--text2);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;margin-bottom:2px}
.nav-item:hover{background:var(--bg3);color:var(--text)}
.nav-item.active{background:rgba(74,158,255,.12);color:var(--accent)}
.nav-item i{width:18px;text-align:center;font-size:14px}
.sidebar-footer{padding:12px 8px;border-top:1px solid var(--border)}
.user-info{display:flex;align-items:center;gap:10px;padding:10px 14px;margin-bottom:4px}
.user-avatar{width:36px;height:36px;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0}
.user-name{font-size:13px;font-weight:600}
.user-role{font-size:11px;color:var(--text2)}

.main-content{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 28px;background:var(--bg2);border-bottom:1px solid var(--border)}
.topbar h2{font-size:20px;font-weight:700}
.breadcrumb{font-size:12px;color:var(--text2)}
.topbar-right{display:flex;align-items:center;gap:16px}
.notification-bell{position:relative;font-size:18px;color:var(--text2);cursor:pointer}
.notification-bell .badge{position:absolute;top:-6px;right:-8px;background:var(--red);color:#fff;font-size:10px;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700}
.topbar-date{font-size:12px;color:var(--text2)}

.page-content{padding:24px 28px;flex:1;overflow-y:auto}
.page{display:none}.page.active{display:block}

/* ========== CARDS ========== */
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.card-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}
.card-body{padding:20px}

/* ========== KPI CARDS ========== */
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.kpi-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;display:flex;align-items:center;gap:16px}
.kpi-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px}
.kpi-icon.blue{background:rgba(74,158,255,.15);color:var(--accent)}
.kpi-icon.green{background:rgba(34,197,94,.15);color:var(--green)}
.kpi-icon.orange{background:rgba(245,158,11,.15);color:var(--orange)}
.kpi-icon.purple{background:rgba(168,85,247,.15);color:var(--purple)}
.kpi-value{font-size:28px;font-weight:800}
.kpi-label{font-size:12px;color:var(--text2)}

/* ========== GRIDS ========== */
.grid-2col{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.grid-3col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}

/* ========== TABLES ========== */
.data-table{width:100%;border-collapse:collapse}
.data-table th{text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text2);padding:10px 12px;border-bottom:1px solid var(--border)}
.data-table td{padding:10px 12px;border-bottom:1px solid rgba(36,52,71,.5);font-size:13px}
.data-table tr:hover td{background:rgba(74,158,255,.04)}
.data-table .highlight{color:var(--accent);font-weight:700}
.full-width{width:100%}

/* ========== ALERT BARS ========== */
.alert-bars{display:flex;flex-direction:column;gap:14px}
.alert-bar{display:flex;align-items:center;gap:12px}
.alert-label{font-size:12px;font-weight:600;width:60px;text-align:right}
.alert-label.critical{color:var(--red)}.alert-label.high{color:var(--orange)}.alert-label.medium{color:#eab308}.alert-label.low{color:var(--green)}
.bar-track{flex:1;height:24px;background:var(--bg);border-radius:6px;overflow:hidden}
.bar-fill{height:100%;border-radius:6px;transition:width 1.5s ease}
.bar-fill.critical{background:linear-gradient(90deg,var(--red),#dc2626)}.bar-fill.high{background:linear-gradient(90deg,var(--orange),#d97706)}
.bar-fill.medium{background:linear-gradient(90deg,#eab308,#ca8a04)}.bar-fill.low{background:linear-gradient(90deg,var(--green),#16a34a)}
.alert-count{font-size:14px;font-weight:700;width:40px}

/* ========== MODEL CARDS ========== */
.model-card{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:12px}
.model-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.model-name{font-weight:600;font-size:14px}
.model-tag{background:rgba(74,158,255,.15);color:var(--accent);padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600}
.model-metrics{display:flex;flex-direction:column;gap:8px}
.metric{display:flex;align-items:center;gap:10px}
.metric-label{font-size:12px;color:var(--text2);width:90px}
.progress-bar{flex:1;height:8px;background:var(--bg2);border-radius:4px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#2563eb);border-radius:4px;transition:width 1.5s ease}
.metric span:last-child{font-size:12px;font-weight:700;width:40px;text-align:right}
.model-detail{font-size:11px;color:var(--text2);margin-top:10px;padding-top:8px;border-top:1px solid var(--border)}

/* ========== MODULE LIST ========== */
.module-list{display:flex;flex-direction:column;gap:10px}
.module-item{display:flex;align-items:center;gap:10px}
.module-item span:first-child{font-size:13px;width:160px}
.module-bar{flex:1;height:20px;background:var(--bg);border-radius:6px;overflow:hidden}
.module-fill{height:100%;border-radius:6px;transition:width 1.5s ease}
.module-pct{font-size:13px;font-weight:700;width:40px;text-align:right}

/* ========== STATUS BADGES ========== */
.status-badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}
.status-badge.active{background:rgba(34,197,94,.15);color:var(--green)}
.status-badge.warning{background:rgba(245,158,11,.15);color:var(--orange)}
.status-badge.critical{background:rgba(239,68,68,.15);color:var(--red)}
.status-badge.inactive{background:rgba(148,163,184,.15);color:var(--text2)}
.badge-live{display:flex;align-items:center;gap:6px;color:var(--red);font-size:12px;font-weight:600}
.badge-live i{font-size:8px;animation:pulse-dot 1.5s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.3}}

.role-badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}
.role-badge.admin{background:rgba(168,85,247,.15);color:var(--purple)}
.role-badge.user{background:rgba(74,158,255,.15);color:var(--accent)}

.tag{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:500;margin:2px}
.tag.rust{background:rgba(196,94,44,.2);color:#ff8c5a}
.tag.crack{background:rgba(148,163,184,.2);color:#94a3b8}

/* ========== DETECTION DEMO ========== */
.detection-demo{display:flex;flex-direction:column;gap:16px}
.detection-image{background:#111;border-radius:8px;overflow:hidden;border:1px solid var(--border)}
.detection-svg,.camera-svg{width:100%;display:block}
.bbox{animation:bboxPulse 2s infinite}
@keyframes bboxPulse{0%,100%{opacity:1}50%{opacity:.5}}
.pulse{animation:bboxPulse 2s infinite}
.crack-line{animation:crackGlow 3s infinite alternate}
@keyframes crackGlow{0%{opacity:.4}100%{opacity:.8}}
.detection-info{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:16px}
.detection-info h4{margin-bottom:10px;color:var(--accent)}
.info-row{display:flex;justify-content:space-between;padding:6px 0;font-size:12px;border-bottom:1px solid rgba(36,52,71,.4)}
.info-row span:first-child{color:var(--text2)}
.info-row span:last-child{font-weight:600}
.highlight-row{background:rgba(74,158,255,.05);padding:6px 8px;border-radius:4px}
.highlight-row span:last-child{color:var(--accent)}

/* ========== CAMERAS ========== */
.camera-card{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.camera-preview{position:relative}
.camera-feed{background:#000;border-bottom:1px solid var(--border)}
.camera-live-badge{position:absolute;top:8px;left:8px;background:var(--red);color:#fff;padding:3px 8px;border-radius:4px;font-size:10px;font-weight:600;display:flex;align-items:center;gap:4px}
.camera-live-badge i{font-size:6px}
.camera-info{padding:14px 16px}
.camera-info h4{margin-bottom:4px}
.camera-info p{font-size:12px;color:var(--text2);margin-bottom:10px}
.camera-actions{display:flex;gap:6px;flex-wrap:wrap}

/* ========== ARCH FLOW ========== */
.arch-flow{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;padding:16px 0}
.arch-node{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:16px 20px;text-align:center;min-width:100px}
.arch-node i{font-size:22px;color:var(--accent);display:block;margin-bottom:8px}
.arch-node span{font-size:11px;color:var(--text2);line-height:1.4}
.arch-arrow{color:var(--text2);font-size:16px}

/* ========== MAP ========== */
.map-container{border-radius:8px;overflow:hidden;border:1px solid var(--border);background:#1a2332}
.map-svg{width:100%;display:block}
.map-controls{display:flex;gap:4px}
.drone-path{stroke-dashoffset:0;animation:dashMove 3s linear infinite}
@keyframes dashMove{to{stroke-dashoffset:-24}}

/* ========== ASSETS ========== */
.asset-list{display:flex;flex-direction:column;gap:8px}
.asset-item{display:flex;align-items:center;gap:14px;padding:12px 14px;background:var(--bg);border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:border .2s}
.asset-item:hover{border-color:var(--accent)}
.asset-item i{font-size:22px;color:var(--accent);width:30px;text-align:center}
.asset-item small{color:var(--text2);font-size:11px}

/* ========== DRONES ========== */
.drone-card .text-center{text-align:center}
.drone-icon{font-size:48px;color:var(--accent);margin-bottom:12px}
.drone-specs{text-align:left;margin:16px 0;font-size:12px;display:flex;flex-direction:column;gap:4px}
.drone-telemetry{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.telemetry-item{display:flex;align-items:center;gap:8px;font-size:12px}
.telemetry-item span:first-child{width:50px;color:var(--text2)}
.telemetry-item span:last-child{width:40px;text-align:right;font-weight:600}

/* ========== REPORTS ========== */
.report-form{display:flex;flex-direction:column;gap:16px}
.checkbox-group{display:flex;flex-direction:column;gap:6px;font-size:13px}
.checkbox-group label{display:flex;align-items:center;gap:8px;cursor:pointer}
.checkbox-group input{accent-color:var(--accent)}
.report-preview{background:#fff;border-radius:8px;overflow:hidden;max-height:500px;overflow-y:auto}
.report-page{color:#1a1a1a;padding:0}
.report-header-bar{background:linear-gradient(90deg,#0f1724,#1a2744);padding:16px 24px;display:flex;justify-content:space-between;align-items:center}
.report-logo{color:#fff;font-size:20px;font-weight:800}
.report-title-text{color:var(--accent);font-size:14px;font-weight:700;letter-spacing:1px}
.report-content{padding:20px 24px;font-size:12px;line-height:1.6}
.report-content h4{font-size:16px;margin-bottom:8px;color:#111}
.report-content h5{font-size:13px;margin:12px 0 6px;color:#333}
.report-content hr{border:none;border-top:1px solid #ddd;margin:12px 0}
.report-finding{padding:10px 14px;border-radius:6px;margin-bottom:8px;border-left:4px solid}
.report-finding.critical{background:#fef2f2;border-color:#ef4444}
.report-finding.warning{background:#fffbeb;border-color:#f59e0b}
.report-finding.low{background:#f0fdf4;border-color:#22c55e}
.report-finding strong{display:block;margin-bottom:4px}
.report-finding p{margin:2px 0;color:#555}
.report-footer-bar{background:#f3f4f6;padding:10px 24px;display:flex;justify-content:space-between;font-size:10px;color:#999}

/* ========== LOGS ========== */
.log-console{background:#0a0e14;border:1px solid var(--border);border-radius:8px;padding:16px;font-family:'Courier New',monospace;font-size:12px;height:500px;overflow-y:auto;line-height:1.8}
.log-line{margin-bottom:2px}
.log-time{color:#555}.log-info{color:#4a9eff}.log-warn{color:#f59e0b}.log-error{color:#ef4444}.log-success{color:#22c55e}

/* ========== ACTIVITY FEED ========== */
.activity-feed{display:flex;flex-direction:column;gap:10px;max-height:300px;overflow-y:auto}
.activity-item{display:flex;align-items:flex-start;gap:12px;padding:10px 14px;background:var(--bg);border-radius:8px;font-size:13px;border-left:3px solid var(--border)}
.activity-item.critical{border-left-color:var(--red)}
.activity-item.warning{border-left-color:var(--orange)}
.activity-item.info{border-left-color:var(--accent)}
.activity-item.success{border-left-color:var(--green)}
.activity-item i{margin-top:2px;font-size:14px}
.activity-time{font-size:11px;color:var(--text2);margin-top:2px}

/* ========== BUTTONS ========== */
.btn-sm{background:var(--bg);border:1px solid var(--border);color:var(--text2);padding:5px 10px;border-radius:6px;font-size:12px;cursor:pointer;display:inline-flex;align-items:center;gap:4px;transition:all .15s}
.btn-sm:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm.active{background:rgba(74,158,255,.15);border-color:var(--accent);color:var(--accent)}
.page-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.search-box{position:relative;width:320px}
.search-box i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text2)}
.search-box input{width:100%;padding:10px 10px 10px 36px;background:var(--card);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:13px;outline:none}
.search-box input:focus{border-color:var(--accent)}

/* ========== MODAL ========== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:1000}
.modal-overlay.show{display:flex}
.modal-content{background:var(--card);border:1px solid var(--border);border-radius:16px;width:480px;max-height:90vh;overflow-y:auto}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}
.modal-close{background:none;border:none;color:var(--text2);font-size:24px;cursor:pointer}
.modal-body{padding:20px}

/* ========== TOAST ========== */
.toast{position:fixed;bottom:24px;right:24px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px 20px;font-size:13px;transform:translateY(100px);opacity:0;transition:all .3s;z-index:1100;box-shadow:0 10px 30px rgba(0,0,0,.3);max-width:360px}
.toast.show{transform:translateY(0);opacity:1}

/* ========== RESPONSIVE ========== */
@media(max-width:1200px){
  .kpi-row{grid-template-columns:repeat(2,1fr)}
  .grid-2col,.grid-3col{grid-template-columns:1fr}
}
@media(max-width:768px){
  .sidebar{width:60px;overflow:hidden}
  .sidebar .logo-text,.sidebar .nav-item span,.sidebar .user-info>div,.sidebar-footer .nav-item span{display:none}
  .main-content{margin-left:60px}
  .kpi-row{grid-template-columns:1fr}
}