/* ─── Reset & Base ─────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg-app:#0a0e1a;
  --bg-side:#0d1322;
  --bg-card:#0f1628;
  --bg-hover:#141d30;
  --border:#1c2a40;
  --border-hi:#2a3f60;
  --text-primary:#dde6f0;
  --text-muted:#5a7a9a;
  --text-dim:#3a5268;
  --accent:#3b82f6;
  --accent-dim:#1e3a6e;
  --green:#22c55e;
  --yellow:#f59e0b;
  --red:#ef4444;
  --font-ui:'Inter',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
}
html,body{height:100%;overflow:hidden;background:var(--bg-app);color:var(--text-primary);font-family:var(--font-ui)}

/* ─── Login ────────────────────────────────────────────── */
.login-screen{
  position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:var(--bg-app);
}
.login-box{
  width:360px;background:var(--bg-card);border:0.5px solid var(--border);
  border-radius:12px;padding:36px;
}
.login-logo{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.logo-icon{flex-shrink:0}
.login-title{font-size:18px;font-weight:600;color:var(--text-primary)}
.login-sub{font-size:11px;color:var(--text-muted);margin-top:2px}
.login-error{background:#1a0a0a;border:0.5px solid #7f1d1d;color:#f87171;
  font-size:12px;padding:8px 12px;border-radius:6px;margin-bottom:16px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:6px}
.form-group input{
  width:100%;background:#080d18;border:0.5px solid var(--border);border-radius:6px;
  padding:9px 12px;font-size:13px;color:var(--text-primary);outline:none;
  font-family:var(--font-ui);transition:border-color 0.15s;
}
.form-group input:focus{border-color:var(--accent)}
.btn-login{
  width:100%;background:var(--accent);color:#fff;border:none;border-radius:6px;
  padding:10px;font-size:13px;font-weight:500;cursor:pointer;margin-top:6px;
  transition:opacity 0.15s;
}
.btn-login:hover{opacity:0.9}
.btn-login:disabled{opacity:0.5;cursor:not-allowed}
.login-footer{font-size:11px;color:var(--text-dim);text-align:center;margin-top:16px}

/* ─── App Layout ────────────────────────────────────────── */
.app{display:flex;height:100vh;overflow:hidden}
.sidebar{
  width:210px;flex-shrink:0;background:var(--bg-side);border-right:0.5px solid var(--border);
  display:flex;flex-direction:column;transition:width 0.2s;overflow:hidden;
}
.sidebar.collapsed{width:0}
.sidebar-header{
  padding:16px 14px 12px;border-bottom:0.5px solid var(--border);flex-shrink:0
}
.s-logo{font-size:14px;font-weight:500;display:flex;align-items:center;gap:7px}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);flex-shrink:0;
  animation:blink 2s ease-in-out infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0.3}}
.s-user{font-size:11px;color:var(--text-muted);margin-top:4px}
.s-nav{flex:1;overflow-y:auto;padding:10px 0}
.s-nav-label{font-size:10px;color:var(--text-dim);letter-spacing:1px;text-transform:uppercase;padding:6px 14px 3px}
.s-nav-item{
  display:flex;align-items:center;gap:9px;padding:8px 14px;cursor:pointer;
  font-size:12px;color:var(--text-muted);border-left:2px solid transparent;
  transition:all 0.12s;white-space:nowrap;text-decoration:none;
}
.s-nav-item svg{width:15px;height:15px;flex-shrink:0}
.s-nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}
.s-nav-item.active{background:var(--bg-hover);color:var(--accent);border-left-color:var(--accent)}
.cam-sidebar-item{
  display:flex;align-items:center;gap:8px;padding:7px 14px;cursor:pointer;
  font-size:11px;color:var(--text-muted);transition:all 0.12s;
}
.cam-sidebar-item:hover{background:var(--bg-hover);color:var(--text-primary)}
.cam-sidebar-item.selected{background:var(--bg-hover);color:#93c5fd}
.s-dot{width:5px;height:5px;border-radius:50%;flex-shrink:0}
.s-dot.online{background:var(--green)}
.s-dot.offline{background:#3a4a5a}
.s-dot.warning{background:var(--yellow);animation:blink 1.5s infinite}
.s-dot.reconnecting{background:var(--yellow);animation:blink 1s infinite}
.sidebar-footer{
  padding:10px 14px;border-top:0.5px solid var(--border);flex-shrink:0
}
.s-status-row{font-size:11px;color:var(--text-muted);display:flex;align-items:center;gap:5px;margin-bottom:8px}
.s-status-dot{width:5px;height:5px;border-radius:50%;display:inline-block}
.s-status-dot.online{background:var(--green)}
.s-status-dot.offline{background:#3a4a5a}
.btn-logout{
  width:100%;background:transparent;border:0.5px solid var(--border-hi);
  color:var(--text-muted);border-radius:5px;padding:6px;font-size:11px;
  cursor:pointer;transition:all 0.12s;
}
.btn-logout:hover{background:#1a0a0a;border-color:#7f1d1d;color:#f87171}

/* ─── Main Area ─────────────────────────────────────────── */
.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}
.topbar{
  background:var(--bg-side);border-bottom:0.5px solid var(--border);
  padding:9px 16px;display:flex;align-items:center;justify-content:space-between;
  flex-shrink:0;
}
.topbar-left{display:flex;align-items:center;gap:10px}
.sidebar-toggle{
  background:transparent;border:none;color:var(--text-muted);cursor:pointer;
  padding:4px;border-radius:4px;display:flex;align-items:center;
}
.sidebar-toggle:hover{color:var(--text-primary)}
.topbar-title{font-size:13px;color:var(--text-muted)}
.topbar-right{display:flex;align-items:center;gap:10px}
.grid-btns{display:flex;gap:4px}
.grid-btn{
  padding:4px 10px;font-size:11px;background:transparent;
  border:0.5px solid var(--border);color:var(--text-muted);border-radius:4px;
  cursor:pointer;transition:all 0.12s;
}
.grid-btn:hover,.grid-btn.active{background:var(--accent-dim);color:var(--accent);border-color:var(--accent)}
.live-badge{
  background:#0f0505;border:0.5px solid #7f1d1d;color:#f87171;
  font-size:10px;padding:3px 9px;border-radius:4px;display:flex;align-items:center;gap:5px;
  font-family:var(--font-mono);letter-spacing:1px;
}
.rec-pulse{width:5px;height:5px;border-radius:50%;background:var(--red);animation:blink 1s infinite}
.clock-display{font-size:11px;color:var(--text-dim);font-family:var(--font-mono)}

/* ─── Pages ─────────────────────────────────────────────── */
.page-content{flex:1;overflow-y:auto;padding:10px}
.page{display:none}
.page.active{display:block}

/* ─── Camera Grid ────────────────────────────────────────── */
.cam-grid{display:grid;gap:8px;grid-template-columns:repeat(2,1fr)}
.cam-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.cam-grid.cols-4{grid-template-columns:repeat(4,1fr)}

.cam-cell{
  background:var(--bg-card);border:0.5px solid var(--border);border-radius:8px;
  overflow:hidden;cursor:pointer;transition:border-color 0.15s;
}
.cam-cell:hover{border-color:var(--border-hi)}
.cam-cell.active{border-color:var(--accent)}
.cam-video{position:relative;aspect-ratio:16/9;background:#050810;overflow:hidden}
canvas{width:100%;height:100%;display:block;object-fit:cover}
.cam-overlay{position:absolute;inset:0;pointer-events:none}
.cam-label{
  position:absolute;top:7px;left:7px;background:rgba(0,0,0,0.65);
  border:0.5px solid rgba(255,255,255,0.08);border-radius:3px;
  padding:3px 7px;font-size:10px;color:#b0c8e0;font-family:var(--font-mono);
}
.cam-status-badge{
  position:absolute;top:7px;right:7px;border-radius:3px;
  padding:3px 7px;font-size:10px;font-family:var(--font-mono);letter-spacing:0.5px;
  background:rgba(0,0,0,0.65);border:0.5px solid rgba(255,255,255,0.08);
}
.cam-status-badge.online{color:var(--green)}
.cam-status-badge.offline{color:#4a5568}
.cam-status-badge.warning,.cam-status-badge.reconnecting{color:var(--yellow)}
.cam-ts{
  position:absolute;bottom:7px;right:7px;font-size:9px;
  color:var(--text-dim);font-family:var(--font-mono);
}
.cam-offline-msg{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:6px;
}
.cam-offline-msg span:first-child{font-size:11px;color:#3a5268;font-family:var(--font-mono)}
.cam-offline-msg span:last-child{font-size:9px;color:#1e3050}
.cam-footer{
  padding:7px 10px;display:flex;align-items:center;justify-content:space-between;
  border-top:0.5px solid var(--border);
}
.cam-name{font-size:11px;color:var(--text-muted)}
.cam-res-badge{
  font-size:10px;color:var(--text-dim);font-family:var(--font-mono);
  background:var(--bg-hover);padding:2px 6px;border-radius:3px;
}
.cam-actions{display:flex;gap:5px}
.icon-btn{
  width:22px;height:22px;background:transparent;border:0.5px solid var(--border);
  color:var(--text-dim);border-radius:3px;cursor:pointer;display:flex;
  align-items:center;justify-content:center;transition:all 0.12s;
}
.icon-btn:hover{background:var(--bg-hover);color:var(--accent);border-color:var(--accent)}
.icon-btn svg{width:11px;height:11px}

/* ─── Focus / Grid View ──────────────────────────────────── */
.focus-wrap{display:flex;gap:10px;height:calc(100vh - 100px)}
.focus-main{flex:1;min-width:0}
.cam-cell.large{height:100%}
.cam-cell.large .cam-video{aspect-ratio:auto;height:calc(100% - 36px)}
.focus-list{
  width:200px;flex-shrink:0;display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.focus-thumb{
  background:var(--bg-card);border:0.5px solid var(--border);border-radius:6px;
  overflow:hidden;cursor:pointer;transition:border-color 0.12s;flex-shrink:0;
}
.focus-thumb:hover{border-color:var(--border-hi)}
.focus-thumb.active{border-color:var(--accent)}
.focus-thumb-video{aspect-ratio:16/9;background:#050810;position:relative;overflow:hidden}
.focus-thumb-label{
  padding:5px 8px;font-size:10px;color:var(--text-muted);
  border-top:0.5px solid var(--border);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ─── Fullscreen ─────────────────────────────────────────── */
.fs-overlay{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,0.95);
  z-index:1000;align-items:center;justify-content:center;
}
.fs-overlay.open{display:flex}
.fs-container{width:90%;max-width:1200px}
.fs-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 0 10px;
}
.fs-header span{font-size:13px;color:var(--text-muted);font-family:var(--font-mono)}
.fs-header button{
  background:rgba(255,255,255,0.07);border:0.5px solid rgba(255,255,255,0.12);
  color:var(--text-primary);padding:5px 14px;border-radius:5px;font-size:12px;cursor:pointer;
}
.fs-canvas{width:100%;aspect-ratio:16/9;display:block;border-radius:6px;background:#050810}

/* ─── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#1e2d45;border-radius:2px}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width:768px){
  .sidebar{position:fixed;z-index:50;height:100vh;left:-210px;transition:left 0.2s}
  .sidebar.mobile-open{left:0}
  .cam-grid{grid-template-columns:1fr!important}
  .focus-wrap{flex-direction:column}
  .focus-list{width:100%;flex-direction:row;height:90px;overflow-x:auto;overflow-y:hidden}
  .focus-thumb{width:140px;flex-shrink:0}
}

/* ─── Manage Cameras Page ──────────────────────────────── */
.manage-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding:4px 0}
.manage-header h2{font-size:15px;font-weight:500;color:var(--text-primary)}
.btn-add{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:7px 16px;font-size:12px;cursor:pointer;transition:opacity 0.15s}
.btn-add:hover{opacity:0.85}
.cam-table-wrap{overflow-x:auto;border:0.5px solid var(--border);border-radius:8px}
.cam-table{width:100%;border-collapse:collapse;font-size:12px}
.cam-table th{padding:10px 14px;text-align:left;color:var(--text-dim);font-weight:500;border-bottom:0.5px solid var(--border);background:var(--bg-card);white-space:nowrap}
.cam-table td{padding:10px 14px;color:var(--text-muted);border-bottom:0.5px solid var(--border);vertical-align:middle}
.cam-table tr:last-child td{border-bottom:none}
.cam-table tr:hover td{background:var(--bg-hover)}
.rtsp-cell{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-dim);font-family:var(--font-mono);font-size:10px}
.btn-edit{background:var(--accent-dim);color:var(--accent);border:0.5px solid var(--accent);border-radius:4px;padding:4px 10px;font-size:11px;cursor:pointer;margin-right:5px;transition:all 0.12s}
.btn-edit:hover{background:var(--accent);color:#fff}
.btn-del{background:#1a0a0a;color:#f87171;border:0.5px solid #7f1d1d;border-radius:4px;padding:4px 10px;font-size:11px;cursor:pointer;transition:all 0.12s}
.btn-del:hover{background:#7f1d1d;color:#fff}

/* ─── Modal ────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.7);z-index:200;display:flex;align-items:center;justify-content:center}
.modal-box{background:var(--bg-card);border:0.5px solid var(--border-hi);border-radius:10px;width:500px;max-width:95vw}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:0.5px solid var(--border)}
.modal-header span{font-size:14px;font-weight:500}
.modal-close{background:transparent;border:none;color:var(--text-muted);font-size:16px;cursor:pointer;padding:2px 6px}
.modal-close:hover{color:var(--text-primary)}
.modal-body{padding:20px;display:flex;flex-direction:column;gap:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.modal-body .form-group{margin-bottom:0}
.modal-body select{width:100%;background:#080d18;border:0.5px solid var(--border);border-radius:6px;padding:9px 12px;font-size:13px;color:var(--text-primary);outline:none}
.modal-body select:focus{border-color:var(--accent)}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:0.5px solid var(--border)}
.btn-cancel{background:transparent;border:0.5px solid var(--border-hi);color:var(--text-muted);border-radius:6px;padding:7px 16px;font-size:12px;cursor:pointer}
.btn-cancel:hover{background:var(--bg-hover)}
.btn-save{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:7px 16px;font-size:12px;cursor:pointer}
.btn-save:hover{opacity:0.85}
.btn-save:disabled{opacity:0.5;cursor:not-allowed}
.admin-only{display:none}