/* vnextcast app shell — shared sidebar, layout, common components */
@import url('tokens.css');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-body); font-size: 14px; line-height: 1.5; color: var(--fg); background: var(--bg); min-height: 100vh; display: flex; -webkit-font-smoothing: antialiased; }

/* Skip link */
.skip-link { position: absolute; left: -9999px; z-index: 200; }
.skip-link:focus { position: fixed; top: 0; left: 0; background: var(--accent); color: #fff; padding: 8px 16px; text-decoration: none; font-size: 14px; font-weight: 550; }

/* Sidebar */
.sidebar { width: var(--sidebar-w, 240px); background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; inset: 0 auto 0 0; z-index: 50; }
.sidebar-brand { padding: 20px 20px 16px; border-bottom: 1px solid var(--border); font-family: var(--font-display); font-size: 15px; font-weight: 650; letter-spacing: -.01em; display: flex; align-items: center; gap: 8px; color: var(--fg); text-decoration: none; }
.sidebar-brand-mark { width: 24px; height: 24px; border-radius: 5px; background: var(--fg); color: var(--bg); display: grid; place-items: center; font-size: 11px; font-weight: 700; }
.sidebar-nav { flex: 1; padding: 12px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.sidebar-nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 6px; text-decoration: none; color: var(--muted); font-size: 13px; font-weight: 450; transition: color .12s, background .12s; }
.sidebar-nav a:hover { color: var(--fg); background: var(--elevated); }
.sidebar-nav a.active { color: var(--fg); background: var(--elevated); font-weight: 550; }
.sidebar-nav a .badge { margin-left: auto; font-family: var(--font-mono); font-size: 10px; padding: 2px 7px; border-radius: 999px; background: var(--live); color: #fff; font-weight: 600; }
.sidebar-nav .nav-section { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: oklch(50% .01 240); padding: 16px 12px 6px; }
.sidebar-user { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.sidebar-avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--accent); display: grid; place-items: center; font-size: 12px; font-weight: 600; color: #fff; }
.sidebar-user-name { font-size: 13px; font-weight: 500; } .sidebar-user-role { font-size: 11px; color: var(--muted); }

/* Main content area */
.main { margin-left: var(--sidebar-w, 240px); flex: 1; padding: 28px 32px; display: flex; flex-direction: column; gap: 24px; min-width: 0; }
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar h2 { font-family: var(--font-display); font-size: 22px; font-weight: 650; letter-spacing: -.015em; margin-bottom: 4px; }
.topbar-sub { font-size: 13px; color: var(--muted); }
.topbar-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* Buttons */
.btn { font-family: var(--font-body); font-size: 13px; font-weight: 500; padding: 8px 16px; border-radius: 6px; cursor: pointer; transition: opacity .12s, background .12s; border: 0; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; } .btn-primary:hover { opacity: .88; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); } .btn-ghost:hover { color: var(--fg); border-color: var(--muted); }

/* KPI row */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; }
.kpi-label { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 8px; }
.kpi-value { font-family: var(--font-display); font-size: 28px; font-weight: 650; letter-spacing: -.02em; font-variant-numeric: tabular-nums; line-height: 1.1; }
.kpi-value.live { color: var(--live); }
.kpi-value.warn { color: var(--warn); }
.kpi-meta { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* Grid & Panel */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.panel-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.panel-header h3 { font-family: var(--font-mono); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.panel-header a { font-size: 12px; color: var(--accent); text-decoration: none; }
.panel-header a:hover { text-decoration: underline; }
.panel-body { padding: 16px; }

/* Stream rows */
.stream-summary { padding: 8px 0; }
.stream-row { display: flex; align-items: center; gap: 12px; padding: 12px 18px 12px 16px; border-bottom: 1px solid oklch(20% .005 240); text-decoration: none; color: inherit; transition: background .12s; border-left: 2px solid transparent; }
.stream-row:last-child { border-bottom: 0; }
.stream-row:hover { background: var(--elevated); }
.stream-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.stream-dot.healthy { background: var(--success); }
.stream-dot.warning { background: var(--warn); }
.stream-info { flex: 1; min-width: 0; }
.stream-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stream-meta { font-family: var(--font-mono); font-size: 10px; color: var(--muted); margin-top: 2px; }
.stream-stat { font-family: var(--font-mono); font-size: 12px; color: oklch(78% .006 240); font-variant-numeric: tabular-nums; text-align: right; }

/* Alerts */
.alert-list { padding: 8px 0; }
.alert-item { padding: 12px 18px 12px 16px; border-bottom: 1px solid oklch(20% .005 240); font-size: 12px; border-left: 2px solid transparent; }
.alert-item:last-child { border-bottom: 0; }
.alert-time { font-family: var(--font-mono); font-size: 10px; color: var(--muted); margin-bottom: 4px; }
.alert-title { font-weight: 500; }
.alert-item.warn .alert-title { color: var(--warn); }
.alert-item.warn { border-left: 2px solid var(--warn); }

/* Schedule blocks */
.schedule-list { padding: 12px 18px 16px; display: flex; flex-direction: column; gap: 10px; }
.schedule-block { display: flex; gap: 14px; align-items: flex-start; padding: 12px 14px; border-radius: 8px; background: var(--elevated); border: 1px solid var(--border); }
.schedule-time { font-family: var(--font-mono); font-size: 11px; color: var(--muted); min-width: 72px; padding-top: 2px; }
.schedule-title { font-size: 13px; font-weight: 550; margin-bottom: 2px; }
.schedule-station { font-size: 12px; color: var(--muted); }

/* Quick cards */
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 16px 18px 18px; }
.quick-card { padding: 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--elevated); text-decoration: none; color: inherit; transition: border-color .12s; }
.quick-card:hover { border-color: var(--accent); }
.quick-card strong { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.quick-card span { font-size: 12px; color: var(--muted); }

/* Mobile header — visible only on small screens, shows hamburger to toggle sidebar */
.mobile-header { display: none; }

/* Responsive */
@media (max-width: 1100px) { .kpi-row { grid-template-columns: repeat(2, 1fr); } .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
  .mobile-header {
    display: flex; align-items: center; justify-content: space-between; padding: 12px 16px;
    background: var(--surface); border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 40;
  }
  .mobile-header-brand { font-family: var(--font-display); font-size: 15px; font-weight: 650; display: flex; align-items: center; gap: 8px; color: var(--fg); text-decoration: none; }
  .mobile-toggle { width: 40px; height: 40px; border: 0; border-radius: 6px; background: transparent; color: var(--fg); cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
  .mobile-toggle span { display: block; width: 20px; height: 2px; background: var(--muted); border-radius: 1px; transition: transform .2s, opacity .2s; }
  .sidebar-open .mobile-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .sidebar-open .mobile-toggle span:nth-child(2) { opacity: 0; }
  .sidebar-open .mobile-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .sidebar { display: flex; position: fixed; inset: 0 auto 0 0; transform: translateX(-100%); transition: transform .25s; z-index: 60; }
  .sidebar-open .sidebar { display: flex; transform: translateX(0); box-shadow: 4px 0 24px rgba(0,0,0,.4); }
  .sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 55; }
  .sidebar-open .sidebar-backdrop { display: block; }
  .main { margin-left: 0; padding: 20px 16px; }
  .quick-grid { grid-template-columns: 1fr; }
}