:root {
  --bg-primary: #0a0e17; --bg-secondary: #111827; --bg-card: #1a2235;
  --bg-card-hover: #1f2a40; --border: #2a3654; --border-light: #374766;
  --text-primary: #e8ecf4; --text-secondary: #8b97b0; --text-muted: #5b6780;
  --accent-blue: #3b82f6; --accent-blue-dim: rgba(59,130,246,0.15);
  --accent-green: #22c55e; --accent-green-dim: rgba(34,197,94,0.12);
  --accent-amber: #f59e0b; --accent-amber-dim: rgba(245,158,11,0.12);
  --accent-red: #ef4444; --accent-red-dim: rgba(239,68,68,0.12);
  --accent-purple: #a78bfa; --accent-purple-dim: rgba(167,139,250,0.12);
  --radius: 10px; --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.2);
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:var(--font-sans); background:var(--bg-primary); color:var(--text-primary); min-height:100vh; line-height:1.5; }

/* AUTH */
#auth-screen { display:flex; flex-direction:column; align-items:center; justify-content:center; min-height:100vh; gap:24px;
  background: radial-gradient(ellipse at 30% 20%, rgba(59,130,246,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(167,139,250,0.06) 0%, transparent 60%), var(--bg-primary); }
.auth-box { background:var(--bg-card); border:1px solid var(--border); border-radius:16px; padding:44px 40px; width:380px; box-shadow:var(--shadow); text-align:center; }
.auth-logo { width:120px; height:120px; margin:0 auto 20px; display:block; object-fit:contain; }
.auth-box h1 { font-size:20px; font-weight:700; margin-bottom:4px; }
.auth-box p { font-size:13px; color:var(--text-secondary); margin-bottom:24px; }
.auth-box input { width:100%; padding:12px 16px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--bg-secondary); color:var(--text-primary); font-family:var(--font-mono); font-size:15px; text-align:center; letter-spacing:4px; outline:none; }
.auth-box input:focus { border-color:var(--accent-blue); }
.auth-box button { width:100%; margin-top:14px; padding:12px; border:none; border-radius:var(--radius-sm); background:var(--accent-blue); color:#fff; font-family:var(--font-sans); font-size:14px; font-weight:600; cursor:pointer; }
.auth-box button:hover { opacity:0.88; }
.auth-error { color:var(--accent-red); font-size:13px; margin-top:10px; display:none; }

/* APP */
#app { display:none; min-height:100vh; background:radial-gradient(ellipse at 20% 0%, rgba(59,130,246,0.05) 0%, transparent 50%), var(--bg-primary); }

/* HEADER */
.header { display:flex; align-items:center; justify-content:space-between; padding:12px 24px; border-bottom:1px solid var(--border); background:rgba(17,24,39,0.7); backdrop-filter:blur(12px); position:sticky; top:0; z-index:100; }
.header-left { display:flex; align-items:center; gap:12px; }
.header-logo-img { width:44px; height:44px; object-fit:contain; }
.header-title { font-size:15px; font-weight:700; }
.header-subtitle { font-size:11px; color:var(--text-muted); font-weight:500; }
.header-right { display:flex; align-items:center; gap:10px; }
.live-dot { width:8px; height:8px; background:var(--accent-green); border-radius:50%; animation:pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(34,197,94,0.4)} 50%{opacity:0.7;box-shadow:0 0 0 6px rgba(34,197,94,0)} }
.header-time { font-family:var(--font-mono); font-size:12px; color:var(--text-secondary); }
.btn-upload,.btn-admin { padding:7px 14px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--bg-card); color:var(--text-primary); font-family:var(--font-sans); font-size:12px; font-weight:500; cursor:pointer; }
.btn-upload:hover,.btn-admin:hover { background:var(--bg-card-hover); border-color:var(--border-light); }
.btn-admin { border-color:var(--accent-purple); color:var(--accent-purple); }
.btn-logout { padding:7px 10px; border:1px solid var(--border); border-radius:var(--radius-sm); background:transparent; color:var(--text-muted); font-family:var(--font-sans); font-size:11px; cursor:pointer; }
.btn-logout:hover { color:var(--accent-red); border-color:var(--accent-red); }
.sync-indicator { font-size:10px; color:var(--text-muted); padding:3px 8px; border-radius:12px; background:var(--bg-card); border:1px solid var(--border); }
.sync-indicator.syncing { color:var(--accent-amber); border-color:var(--accent-amber); }
.sync-indicator.error { color:var(--accent-red); border-color:var(--accent-red); }

/* STATS */
.stats-bar { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:10px; padding:16px 24px; border-bottom:1px solid var(--border); }
.stat-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:14px 16px; }
.stat-label { font-size:10px; font-weight:600; text-transform:uppercase; letter-spacing:0.8px; color:var(--text-muted); margin-bottom:4px; }
.stat-value { font-size:26px; font-weight:700; letter-spacing:-1px; line-height:1; }
.stat-sub { font-size:11px; color:var(--text-secondary); margin-top:3px; }

/* FILTERS */
.filters { display:flex; align-items:center; gap:8px; padding:14px 24px; flex-wrap:wrap; }
.filter-chip { padding:5px 12px; border:1px solid var(--border); border-radius:20px; background:transparent; color:var(--text-secondary); font-family:var(--font-sans); font-size:11px; font-weight:500; cursor:pointer; }
.filter-chip:hover { border-color:var(--border-light); color:var(--text-primary); }
.filter-chip.active { background:var(--accent-blue-dim); border-color:var(--accent-blue); color:var(--accent-blue); }
.filter-search { margin-left:auto; padding:6px 12px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--bg-secondary); color:var(--text-primary); font-family:var(--font-sans); font-size:12px; outline:none; width:220px; }
.filter-search:focus { border-color:var(--accent-blue); }
.filter-search::placeholder { color:var(--text-muted); }
.view-toggle { display:flex; gap:2px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); padding:2px; }
.view-btn { padding:4px 10px; border:none; border-radius:4px; background:transparent; color:var(--text-muted); font-family:var(--font-sans); font-size:11px; font-weight:500; cursor:pointer; }
.view-btn.active { background:var(--accent-blue-dim); color:var(--accent-blue); }

/* EVENT LIST */
.event-list { padding:0 24px 24px; }
.day-group { margin-bottom:20px; }
.day-header { display:flex; align-items:center; gap:8px; padding:8px 0; margin-bottom:6px; position:sticky; top:55px; background:var(--bg-primary); z-index:10; }
.day-header-date { font-size:13px; font-weight:700; }
.day-header-count { font-size:10px; font-weight:600; color:var(--text-muted); background:var(--bg-card); border:1px solid var(--border); padding:2px 7px; border-radius:10px; }
.day-header-line { flex:1; height:1px; background:var(--border); }
.day-header-guests { font-size:10px; font-family:var(--font-mono); color:var(--text-muted); }

/* EVENT CARD */
.event-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:12px 16px; margin-bottom:4px; display:grid; grid-template-columns:90px 1fr 80px 120px 120px; align-items:center; gap:12px; cursor:pointer; transition:all 0.12s; }
.event-card:hover { background:var(--bg-card-hover); border-color:var(--border-light); }
.event-card.selected { border-color:var(--accent-blue); }
.status-scheduled { border-left:3px solid var(--text-muted); }
.status-prep-started { border-left:3px solid var(--accent-amber); }
.status-in-expo { border-left:3px solid var(--accent-purple); }
.status-on-vehicle { border-left:3px solid var(--accent-blue); }
.status-in-transit { border-left:3px solid #06b6d4; }
.status-arrived { border-left:3px solid var(--accent-green); }

/* Card columns */
.card-leave { text-align:center; }
.card-leave-time { font-family:var(--font-mono); font-size:14px; font-weight:600; color:var(--accent-green); }
.card-leave-label { font-size:9px; text-transform:uppercase; letter-spacing:0.5px; color:var(--text-muted); }
.leave-warning { display:flex; align-items:center; gap:4px; font-size:10px; color:var(--accent-red); font-weight:600; }
.leave-warning-icon { width:14px; height:14px; border-radius:50%; background:var(--accent-red-dim); border:1px solid var(--accent-red); display:flex; align-items:center; justify-content:center; font-size:8px; font-weight:800; flex-shrink:0; }

.card-info h3 { font-size:13px; font-weight:600; line-height:1.3; margin-bottom:1px; }
.card-venue { font-size:11px; color:var(--text-secondary); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.card-event-time { font-size:10px; color:var(--text-muted); margin-top:1px; }

.card-guests { text-align:center; }
.guest-count { font-family:var(--font-mono); font-size:14px; font-weight:600; }
.guest-label { font-size:9px; color:var(--text-muted); text-transform:uppercase; }

.card-type span { font-size:10px; padding:3px 8px; border-radius:10px; font-weight:500; white-space:nowrap; display:inline-block; }
.type-corporate { background:var(--accent-blue-dim); color:var(--accent-blue); }
.type-wedding { background:var(--accent-purple-dim); color:var(--accent-purple); }
.type-fundraiser { background:var(--accent-green-dim); color:var(--accent-green); }
.type-meeting { background:var(--accent-amber-dim); color:var(--accent-amber); }
.type-cafe { background:rgba(148,163,184,0.12); color:#94a3b8; }
.type-tasting { background:rgba(251,191,36,0.12); color:#fbbf24; }
.type-other { background:rgba(148,163,184,0.1); color:#64748b; }

.card-status span { font-size:10px; padding:3px 8px; border-radius:10px; font-weight:500; white-space:nowrap; }
.st-scheduled { background:rgba(148,163,184,0.1); color:#94a3b8; }
.st-prep-started { background:var(--accent-amber-dim); color:var(--accent-amber); }
.st-in-expo { background:var(--accent-purple-dim); color:var(--accent-purple); }
.st-on-vehicle { background:var(--accent-blue-dim); color:var(--accent-blue); }
.st-in-transit { background:rgba(6,182,212,0.12); color:#06b6d4; }
.st-arrived { background:var(--accent-green-dim); color:var(--accent-green); }

/* DETAIL PANEL */
.detail-panel { display:none; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); margin:-2px 0 4px; padding:18px 20px; animation:slideDown 0.12s ease-out; }
.detail-panel.open { display:block; }
@keyframes slideDown { from{opacity:0;transform:translateY(-4px)} to{opacity:1;transform:translateY(0)} }
.detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.detail-section { background:var(--bg-secondary); border:1px solid var(--border); border-radius:var(--radius-sm); padding:12px 14px; }
.detail-section-title { font-size:10px; font-weight:600; text-transform:uppercase; letter-spacing:0.8px; color:var(--text-muted); margin-bottom:8px; }
.detail-row { display:flex; align-items:center; justify-content:space-between; margin-bottom:6px; }
.detail-row:last-child { margin-bottom:0; }
.detail-label { font-size:11px; color:var(--text-secondary); }
.detail-value { font-size:12px; font-weight:500; }
.leave-time-input { padding:5px 8px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--bg-primary); color:var(--text-primary); font-family:var(--font-mono); font-size:12px; outline:none; width:100px; }
.leave-time-input:focus { border-color:var(--accent-blue); }
.detail-status-select { padding:5px 8px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--bg-primary); color:var(--text-primary); font-family:var(--font-sans); font-size:11px; cursor:pointer; outline:none; }

/* Worksheet area */
.worksheet-area { grid-column:1/-1; }
.ws-upload-btn { padding:7px 14px; border:1px dashed var(--border); border-radius:var(--radius-sm); background:transparent; color:var(--text-secondary); font-family:var(--font-sans); font-size:11px; cursor:pointer; width:100%; margin-top:6px; }
.ws-upload-btn:hover { border-color:var(--accent-blue); color:var(--accent-blue); }
.ws-file { display:flex; align-items:center; justify-content:space-between; padding:6px 10px; background:var(--bg-primary); border:1px solid var(--border); border-radius:var(--radius-sm); margin-top:6px; }
.ws-file-name { font-size:11px; font-weight:500; }
.ws-file-date { font-size:10px; color:var(--text-muted); }
.ws-file-btn { padding:2px 7px; border:1px solid var(--border); border-radius:4px; background:transparent; color:var(--text-secondary); font-size:10px; cursor:pointer; font-family:var(--font-sans); margin-left:4px; }
.ws-file-btn:hover { border-color:var(--accent-blue); color:var(--accent-blue); }
.ws-file-btn.delete:hover { border-color:var(--accent-red); color:var(--accent-red); }
.ws-status { font-size:10px; margin-top:4px; font-weight:500; }
.ws-status.uploaded { color:var(--accent-green); }
.ws-status.none { color:var(--text-muted); }

/* Delete event button */
.btn-delete-event { padding:6px 12px; border:1px solid var(--accent-red); border-radius:var(--radius-sm); background:transparent; color:var(--accent-red); font-size:11px; cursor:pointer; font-family:var(--font-sans); margin-top:10px; grid-column:1/-1; text-align:center; }
.btn-delete-event:hover { background:var(--accent-red-dim); }

/* TIMELINE */
.timeline-view { padding:0 24px 24px; display:none; }
.tl-day-header { font-size:13px; font-weight:700; padding:10px 0 6px; border-bottom:1px solid var(--border); margin-bottom:4px; margin-top:16px; }
.tl-day-header:first-child { margin-top:0; }

.tl-hour-row { display:flex; border-bottom:1px solid var(--border); min-height:44px; }
.tl-hour-label { width:65px; padding:10px 0; font-family:var(--font-mono); font-size:11px; color:var(--text-muted); text-align:right; padding-right:12px; flex-shrink:0; border-right:1px solid var(--border); }
.tl-hour-events { flex:1; padding:4px 10px; display:flex; flex-direction:column; gap:4px; }

.tl-event-card { display:grid; grid-template-columns:80px 1fr 100px; align-items:center; gap:10px; padding:8px 12px; border-radius:var(--radius-sm); border:1px solid var(--border); cursor:pointer; transition:all 0.12s; background:var(--bg-card); }
.tl-event-card:hover { background:var(--bg-card-hover); }
.tl-event-card.selected { border-color:var(--accent-blue); }

/* Urgency colors for timeline cards */
.tl-event-card.urgency-critical { border-left:4px solid var(--accent-red); background:rgba(239,68,68,0.06); }
.tl-event-card.urgency-warning { border-left:4px solid var(--accent-amber); background:rgba(245,158,11,0.04); }
.tl-event-card.urgency-soon { border-left:4px solid #fb923c; }
.tl-event-card.urgency-ok { border-left:4px solid var(--border-light); }
.tl-event-card.urgency-past { border-left:4px solid var(--text-muted); opacity:0.6; }
.tl-event-card.urgency-ready { border-left:4px solid var(--accent-green); background:rgba(34,197,94,0.04); }
.tl-event-card.urgency-none { border-left:4px solid var(--accent-red); }

.tl-ev-leave { text-align:center; }
.tl-ev-leave-time { font-family:var(--font-mono); font-size:13px; font-weight:600; color:var(--accent-green); }
.tl-ev-no-leave { font-size:9px; color:var(--accent-red); font-weight:600; }
.tl-ev-info { min-width:0; }
.tl-ev-title { font-size:12px; font-weight:600; line-height:1.3; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.tl-ev-sub { font-size:10px; color:var(--text-secondary); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.tl-ev-status span { font-size:10px; padding:3px 8px; border-radius:10px; font-weight:500; white-space:nowrap; }

/* NO DATA */
.no-data { text-align:center; padding:60px 20px; color:var(--text-muted); }
.no-data h2 { font-size:16px; margin-bottom:6px; color:var(--text-secondary); }
.no-data p { font-size:13px; }

/* OVERLAYS */
.overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.6); backdrop-filter:blur(4px); z-index:200; align-items:center; justify-content:center; }
.overlay.active { display:flex; }
.modal { background:var(--bg-card); border:1px solid var(--border); border-radius:16px; padding:32px; width:420px; box-shadow:0 8px 32px rgba(0,0,0,0.4); max-height:90vh; overflow-y:auto; }
.modal-wide { width:560px; }
.modal h2 { font-size:17px; margin-bottom:4px; }
.modal p { font-size:12px; color:var(--text-secondary); margin-bottom:16px; }
.modal-close { margin-top:14px; width:100%; padding:9px; border:1px solid var(--border); border-radius:var(--radius-sm); background:transparent; color:var(--text-secondary); font-family:var(--font-sans); font-size:12px; cursor:pointer; }
.modal-close:hover { color:var(--text-primary); }
.drop-zone { border:2px dashed var(--border); border-radius:var(--radius); padding:36px 20px; text-align:center; cursor:pointer; }
.drop-zone:hover,.drop-zone.drag-over { border-color:var(--accent-blue); background:var(--accent-blue-dim); }
.drop-zone-text { font-size:13px; color:var(--text-secondary); }
.drop-zone-sub { font-size:11px; color:var(--text-muted); margin-top:4px; }
.last-upload-info { font-size:10px; color:var(--text-muted); margin-top:10px; text-align:center; }

/* ADMIN */
.admin-grid { display:flex; flex-direction:column; gap:10px; margin-top:12px; }
.admin-card { background:var(--bg-secondary); border:1px solid var(--border); border-radius:var(--radius-sm); padding:14px; }
.admin-card h3 { font-size:13px; font-weight:600; margin-bottom:4px; }
.admin-card p { font-size:11px; color:var(--text-secondary); margin-bottom:8px; }
.admin-btn { padding:7px 14px; border:1px solid var(--border); border-radius:var(--radius-sm); background:transparent; color:var(--text-primary); font-family:var(--font-sans); font-size:11px; cursor:pointer; margin-right:6px; }
.admin-btn:hover { border-color:var(--accent-blue); color:var(--accent-blue); }
.admin-btn.danger { border-color:var(--accent-red); color:var(--accent-red); }
.admin-btn.danger:hover { background:var(--accent-red-dim); }
.admin-input { padding:5px 10px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--bg-primary); color:var(--text-primary); font-family:var(--font-mono); font-size:12px; width:60px; outline:none; margin:0 6px; }
.admin-status { font-size:11px; color:var(--accent-green); margin-top:6px; display:none; }

/* AUTH FOOTER */
.auth-footer { text-align:center; color:var(--text-muted); font-size:11px; line-height:1.6; }
.auth-footer-credit { font-size:10px; color:var(--text-muted); opacity:0.7; margin-top:2px; display:inline-block; }

/* APP FOOTER */
.app-footer { border-top:1px solid var(--border); padding:24px; text-align:center; margin-top:40px; }
.footer-logo-img { width:60px; height:60px; object-fit:contain; margin-bottom:10px; opacity:0.6; }
.app-footer-text { font-size:11px; color:var(--text-muted); line-height:1.6; margin-bottom:4px; }
.app-footer-credit { font-size:10px; color:var(--text-muted); opacity:0.5; }

.loading-spinner { display:inline-block; width:12px; height:12px; border:2px solid var(--border); border-top-color:var(--accent-blue); border-radius:50%; animation:spin 0.6s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

/* RESPONSIVE */
@media(max-width:1000px) {
  .event-card { grid-template-columns:80px 1fr 60px 100px; }
  .card-status { display:none; }
  .tl-event-card { grid-template-columns:70px 1fr 90px; }
  .detail-grid { grid-template-columns:1fr; }
}
@media(max-width:650px) {
  .header { padding:10px 14px; flex-wrap:wrap; gap:8px; }
  .header-left { gap:8px; }
  .header-logo-img { width:30px; height:30px; }
  .header-title { font-size:13px; }
  .header-right { gap:6px; flex-wrap:wrap; }
  .header-time { display:none; }
  .stats-bar { padding:10px 14px; grid-template-columns:repeat(auto-fit,minmax(130px,1fr)); gap:6px; }
  .stat-card { padding:10px 12px; }
  .stat-value { font-size:22px; }
  .stat-label { font-size:9px; }
  .filters { padding:10px 14px; gap:6px; }
  .filter-chip { padding:5px 10px; font-size:10px; }
  .filter-search { width:100%; margin-left:0; font-size:13px; padding:8px 12px; }
  .event-list,.timeline-view { padding:0 10px 14px; }
  .event-card { grid-template-columns:70px 1fr; gap:8px; padding:10px 12px; }
  .card-guests,.card-type,.card-status { display:none; }
  .card-info h3 { font-size:12px; }
  .card-venue { font-size:10px; }
  .card-event-time { font-size:9px; }
  .card-leave-time { font-size:12px; }
  .leave-warning { font-size:9px; }
  .day-header { top:45px; padding:6px 0; }
  .day-header-date { font-size:12px; }
  .tl-hour-row { flex-direction:column; }
  .tl-hour-label { width:100%; text-align:left; padding:6px 12px; border-right:none; border-bottom:1px solid var(--border); font-size:12px; font-weight:600; }
  .tl-hour-events { padding:4px 0; }
  .tl-event-card { grid-template-columns:70px 1fr; gap:6px; padding:8px 10px; }
  .tl-ev-status { display:none; }
  .tl-ev-title { font-size:11px; }
  .detail-grid { grid-template-columns:1fr; }
  .detail-section { padding:10px 12px; }
  .modal { width:calc(100vw - 32px); padding:24px 20px; border-radius:12px; }
  .modal-wide { width:calc(100vw - 32px); }
  .auth-box { width:calc(100vw - 40px); max-width:380px; padding:32px 24px; }
  .auth-logo { width:90px; height:90px; }
  .app-footer { padding:16px 14px; margin-top:20px; }
}
@media(max-width:400px) {
  .stats-bar { grid-template-columns:1fr 1fr; }
  .event-card { grid-template-columns:60px 1fr; }
  .btn-upload,.btn-admin { font-size:10px; padding:5px 10px; }
  .btn-logout { font-size:10px; padding:5px 8px; }
  .sync-indicator { font-size:9px; padding:2px 6px; }
}