/* ---- Theme tokens ---- */
:root, [data-theme="dark"] {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1c232b;
  --border: #2a3038;
  --border-strong: #3d444d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-strong: #1f6feb;
  --accent-fg: #0d1117;
  --ok: #3fb950;
  --warn: #d29922;
  --error: #f85149;
  --code-bg: var(--bg);
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --bg: #ffffff;
  --panel: #f6f8fa;
  --panel-2: #eaeef2;
  --border: #d0d7de;
  --border-strong: #afb8c1;
  --text: #1f2328;
  --muted: #59636e;
  --accent: #0969da;
  --accent-strong: #0550ae;
  --accent-fg: #ffffff;
  --ok: #1a7f37;
  --warn: #9a6700;
  --error: #cf222e;
  --code-bg: #eaeef2;
  --shadow: 0 1px 2px rgba(31, 35, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  transition: background 0.15s, color 0.15s;
}

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

.muted { color: var(--muted); }
.small { font-size: 12px; }
.center { text-align: center; }
.error { color: var(--error); }

/* ---- Topbar / nav ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}

.brand-link { color: var(--text); text-decoration: none; }
.brand-name { font-weight: 600; font-size: 16px; }
.brand-version { color: var(--muted); margin-left: 6px; font-size: 11px; }

.topnav { display: flex; gap: 4px; }
.topnav a {
  padding: 6px 12px; border-radius: 4px;
  color: var(--muted); text-decoration: none;
  font-size: 13px;
}
.topnav a:hover { background: var(--panel-2); color: var(--text); }
.topnav a.active { background: var(--bg); color: var(--text); }

.user-menu { display: flex; align-items: center; gap: 12px; }
.user-link { color: var(--muted); }

/* ---- Theme toggle slider ---- */
.theme-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
  cursor: pointer;
  flex-shrink: 0;
}
.theme-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.slider {
  position: absolute;
  inset: 0;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5px;
  font-size: 12px;
  color: var(--muted);
}
.slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
  z-index: 1;
}
.theme-switch input:checked + .slider::before {
  transform: translateX(24px);
}
.slider-icon { z-index: 0; line-height: 1; }
.icon-sun { opacity: 0.6; }
.icon-moon { opacity: 0.6; }
[data-theme="dark"]  .icon-moon { opacity: 1; }
[data-theme="light"] .icon-sun  { opacity: 1; color: #ffb700; }

.theme-switch:hover .slider { border-color: var(--border-strong); }
.theme-switch:focus-within .slider {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---- Layout ---- */
.container { max-width: 1200px; margin: 24px auto; padding: 0 24px; }

.page-title { font-size: 20px; margin: 0 0 16px; font-weight: 600; }
section { margin-bottom: 28px; }
section h2 { font-size: 15px; margin: 0 0 8px; font-weight: 600; }
section h3 { font-size: 14px; margin: 0; font-weight: 600; }

/* ---- Cards ---- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.login-card { max-width: 380px; margin: 80px auto; }
.login-card h1 { font-size: 18px; margin: 0 0 16px; }

/* ---- Forms ---- */
form { margin: 0; }

label { display: block; margin-bottom: 12px; }
label > span { display: block; margin-bottom: 4px; color: var(--muted); font-size: 12px; }

input[type="text"], input[type="password"], input[type="email"], select {
  width: 100%; padding: 8px 10px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
input:disabled { opacity: 0.5; }

input.input-tight { padding: 4px 6px; font-size: 13px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}
.form-grid .full { grid-column: 1 / -1; }
.form-grid label { margin-bottom: 0; }

.form-actions { display: flex; align-items: center; gap: 12px; margin-top: 8px; }

.checkbox-row {
  display: flex; align-items: center; gap: 8px;
}
.checkbox-row input { width: auto; }
.checkbox-row > span { margin-bottom: 0; color: var(--text); }

/* ---- Buttons ---- */
.btn-primary {
  background: var(--accent); color: var(--accent-fg); border: none;
  padding: 8px 16px; border-radius: 4px; font-weight: 600; cursor: pointer;
  font-size: 13px;
}
.btn-primary:hover { background: var(--accent-strong); }

.btn-small {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 4px 10px; font-size: 12px; cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-family: inherit;
}
.btn-small:hover { background: var(--border); text-decoration: none; }

.btn-danger {
  border-color: rgba(207, 34, 46, 0.4);
  color: var(--error);
}
.btn-danger:hover { background: rgba(207, 34, 46, 0.1); }

.btn-link {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font-size: 13px; padding: 4px 8px;
  font-family: inherit;
}
.btn-link:hover { color: var(--text); text-decoration: underline; }

.inline-form { display: inline-block; margin: 0; }

/* ---- Tables ---- */
table.data {
  width: 100%; border-collapse: collapse;
  background: var(--panel); border: 1px solid var(--border); border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
table.data th, table.data td {
  padding: 8px 12px; text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.data th { background: var(--bg); color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
table.data tr:last-child td { border-bottom: none; }
table.data .actions { display: flex; gap: 6px; flex-wrap: wrap; }

.data-channels td { padding: 4px 8px; }
.data-channels .row-form { display: contents; }

table.urls-table {
  width: 100%;
  margin-top: 12px;
  font-size: 12px;
}
table.urls-table td {
  padding: 4px 8px;
  border-bottom: 1px solid var(--border);
}
table.urls-table td:first-child { color: var(--muted); width: 140px; }
table.urls-table tr:last-child td { border-bottom: none; }

code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 12px;
  word-break: break-all;
  border: 1px solid var(--border);
}

/* ---- Badges & status ---- */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
}
.badge-ok { color: var(--ok); border-color: rgba(63, 185, 80, 0.4); }
.badge-warn { color: var(--warn); border-color: rgba(210, 153, 34, 0.4); }
.badge-err { color: var(--error); border-color: rgba(207, 34, 46, 0.4); }

.status-ok { color: var(--ok); }
.status-err { color: var(--error); }

/* ---- Stats grid ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-value { font-size: 24px; font-weight: 700; color: var(--text); }
.stat-label { color: var(--muted); font-size: 12px; margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-label a { color: var(--muted); }
.stat-label a:hover { color: var(--accent); }

/* ---- Filter bar ---- */
.filter-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
}
.filter-form { display: flex; align-items: center; gap: 8px; flex: 1; max-width: 600px; }
.filter-form input, .filter-form select { width: auto; flex: 1; min-width: 0; }
.filter-form select { flex: 0 1 180px; }

/* ---- Playlist card ---- */
.playlist-card { margin-bottom: 16px; }
.playlist-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 4px;
}
.playlist-meta { margin-bottom: 8px; }

/* ---- Flash messages ---- */
.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  border: 1px solid;
  font-size: 13px;
}
.flash-ok  { background: rgba(63, 185, 80, 0.1); border-color: rgba(63, 185, 80, 0.3); color: var(--ok); }
.flash-err { background: rgba(207, 34, 46, 0.1); border-color: rgba(207, 34, 46, 0.3); color: var(--error); }

/* ---- Misc ---- */
.kv { margin: 0; display: grid; grid-template-columns: 140px 1fr; gap: 8px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.urls { line-height: 1.8; }
.logout-form { margin: 0; }

/* ---- Responsive ---- */
@media (max-width: 720px) {
  .topbar { padding: 8px 12px; gap: 12px; }
  .topnav { gap: 0; flex-wrap: wrap; }
  .topnav a { padding: 4px 8px; font-size: 12px; }
  .container { padding: 0 12px; margin: 16px auto; }
  .form-grid { grid-template-columns: 1fr; }
  table.data { font-size: 12px; }
  table.data th, table.data td { padding: 6px 8px; }
}