:root {
  --bg: #0e0e0e;
  --surface: #1a1a1a;
  --surface2: #242424;
  --border: #333;
  --accent: #e8c840;
  --accent2: #3a7bd5;
  --danger: #d94040;
  --success: #3aaf6e;
  --text: #e8e8e8;
  --text2: #999;
  --font: 'JetBrains Mono', 'Courier New', monospace;
  --font-ui: 'IBM Plex Sans', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.sidebar {
  width: 220px;
  background: var(--surface);
  border-right: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-brand {
  padding: 18px 16px;
  border-bottom: 2px solid var(--border);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
}

.sidebar-nav { flex: 1; padding: 8px 0; }
.sidebar-nav a {
  display: block;
  padding: 11px 16px;
  color: var(--text2);
  font-size: 14px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all 0.15s;
  text-decoration: none;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  color: var(--text);
  background: var(--surface2);
  border-left-color: var(--accent);
}
.sidebar-nav a .icon { margin-right: 8px; opacity: 0.7; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 2px solid var(--border);
  font-size: 13px;
}

.main-content {
  flex: 1;
  overflow-x: hidden;
  padding: 0;
}

.topbar {
  background: var(--surface);
  border-bottom: 2px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-title {
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.page-body { padding: 24px; }

/* ── Cards & Tables ── */
.card {
  background: var(--surface);
  border: 2px solid var(--border);
  margin-bottom: 20px;
}
.card-header {
  padding: 12px 18px;
  border-bottom: 2px solid var(--border);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-body { padding: 18px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--surface2);
  border-bottom: 2px solid var(--border);
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text2);
  white-space: nowrap;
}
td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-ui);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  white-space: nowrap;
  background: none;
  line-height: 1.3;
}
.btn-primary { background: var(--accent); color: #000; border-color: var(--accent); }
.btn-primary:hover { background: #ffd700; border-color: #ffd700; text-decoration: none; color: #000; }
.btn-secondary { background: var(--surface2); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--text2); text-decoration: none; color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #b83030; border-color: #b83030; text-decoration: none; color: #fff; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px 10px; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-control {
  width: 100%;
  background: var(--surface2);
  border: 2px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px;
  font-family: var(--font-ui);
  outline: none;
  transition: border-color 0.15s;
}
.form-control:focus { border-color: var(--accent2); }
textarea.form-control { resize: vertical; min-height: 80px; font-family: var(--font); font-size: 13px; }
select.form-control { cursor: pointer; }

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
  background: var(--surface2);
  border: 2px solid var(--border);
  padding: 10px 12px;
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
}
.checkbox-item input[type=checkbox] { width: 16px; height: 16px; cursor: pointer; accent-color: var(--accent); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── Alerts ── */
.alert {
  padding: 12px 16px;
  border-left: 4px solid;
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-error { border-color: var(--danger); background: rgba(217,64,64,0.12); color: #ff8080; }
.alert-success { border-color: var(--success); background: rgba(58,175,110,0.12); color: #6fd4a0; }
.alert-info { border-color: var(--accent2); background: rgba(58,123,213,0.12); color: #80b0f0; }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-active { background: var(--success); color: #fff; }
.badge-inactive { background: var(--border); color: var(--text2); }
.badge-accent { background: var(--accent); color: #000; }

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface);
  border: 2px solid var(--border);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  padding: 14px 18px;
  border-bottom: 2px solid var(--border);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-body { padding: 18px; }
.modal-close { background: none; border: none; color: var(--text2); cursor: pointer; font-size: 20px; line-height: 1; }
.modal-close:hover { color: var(--text); }

/* ── Login pages ── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--bg);
}
.login-box {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 2px solid var(--border);
}
.login-header {
  padding: 20px 24px;
  border-bottom: 2px solid var(--border);
  background: var(--surface2);
}
.login-title {
  font-family: var(--font);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.login-subtitle { font-size: 12px; color: var(--text2); margin-top: 4px; }
.login-body { padding: 24px; }

/* ── Viewer / Player ── */
.viewer-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.viewer-topbar {
  background: var(--surface);
  border-bottom: 2px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.viewer-brand {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.viewer-user { font-size: 13px; color: var(--text2); }

.stream-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: var(--surface2);
  border-bottom: 2px solid var(--border);
}
.stream-btn {
  padding: 8px 16px;
  background: var(--surface);
  border: 2px solid var(--border);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-ui);
}
.stream-btn:hover, .stream-btn.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.player-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #000;
}
.video-container {
  position: relative;
  width: 100%;
  background: #000;
}
.video-container video {
  width: 100%;
  display: block;
  max-height: calc(100vh - 200px);
}

.player-info {
  padding: 12px 16px;
  background: var(--surface);
  border-top: 2px solid var(--border);
  font-size: 13px;
  color: var(--text2);
}
#playing-name {
  font-weight: 700;
  color: var(--text);
  font-size: 15px;
}

.viewer-html-content {
  padding: 16px;
  background: var(--surface);
  border-top: 2px solid var(--border);
}

/* ── QR ── */
.qr-wrap {
  text-align: center;
  padding: 16px;
}
.qr-wrap img {
  border: 8px solid #fff;
  max-width: 220px;
}

/* ── Stats row ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-box {
  background: var(--surface);
  border: 2px solid var(--border);
  padding: 16px 18px;
}
.stat-num {
  font-size: 32px;
  font-weight: 700;
  font-family: var(--font);
  color: var(--accent);
  line-height: 1;
}
.stat-label { font-size: 12px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 4px; }

/* ── Utils ── */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.text-muted { color: var(--text2); }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.mono { font-family: var(--font); font-size: 12px; word-break: break-all; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 200px; }

/* ── Mobile ── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .sidebar.mobile-open { display: flex; position: fixed; top: 0; left: 0; height: 100vh; z-index: 200; width: 240px; }
  .form-row { grid-template-columns: 1fr; }
  .topbar { padding: 12px 16px; }
  .page-body { padding: 16px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  td, th { font-size: 13px; padding: 9px 10px; }
}

/* ── Hamburger ── */
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 16px;
}
@media (max-width: 768px) { .menu-toggle { display: block; } }

.overlay-bg {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 199;
}
.overlay-bg.open { display: block; }