/* KutPod design system */

:root {
  --accent: #ff5f7e;
  --accent-soft: rgba(255, 95, 126, 0.14);
  --accent-glow: 0 0 0 1px rgba(255, 95, 126, 0.35), 0 18px 60px -20px rgba(255, 95, 126, 0.55);
  --good: #4ade80;
  --bad: #f87171;
  --warn: #f5b942;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --density: 1;

  /* density-driven */
  --pad-card: calc(20px * var(--density));
  --pad-card-lg: calc(28px * var(--density));
  --gap: calc(16px * var(--density));
  --row-h: calc(56px * var(--density));

  /* Dark (default) */
  --bg: #0c0c10;
  --bg-2: #131318;
  --surface: #16161c;
  --surface-2: #1c1c24;
  --surface-3: #23232d;
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);
  --text: #f3f3f5;
  --text-2: #a8a8b3;
  --text-3: #6f6f7c;
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 30px 60px -30px rgba(0, 0, 0, 0.6);
  --bg-grain: radial-gradient(1200px 600px at 90% -10%, rgba(255, 95, 126, 0.08), transparent 60%),
              radial-gradient(900px 500px at -10% 110%, rgba(120, 90, 255, 0.06), transparent 60%);
}

[data-theme="light"] {
  --bg: #f6f6f4;
  --bg-2: #efefec;
  --surface: #ffffff;
  --surface-2: #f8f8f6;
  --surface-3: #ededea;
  --border: rgba(15, 15, 20, 0.07);
  --border-strong: rgba(15, 15, 20, 0.14);
  --text: #15151a;
  --text-2: #585862;
  --text-3: #8c8c95;
  --accent-soft: rgba(255, 95, 126, 0.12);
  --accent-glow: 0 0 0 1px rgba(255, 95, 126, 0.3), 0 18px 50px -20px rgba(255, 95, 126, 0.4);
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 24px 40px -28px rgba(20, 20, 30, 0.18);
  --bg-grain: radial-gradient(1200px 600px at 90% -10%, rgba(255, 95, 126, 0.07), transparent 60%),
              radial-gradient(900px 500px at -10% 110%, rgba(120, 90, 255, 0.04), transparent 60%);
}

* { box-sizing: border-box; }

html, body, #root {
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", sans-serif;
  font-feature-settings: "ss01", "cv11";
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.45;
  letter-spacing: -0.005em;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--bg-grain);
  pointer-events: none;
  z-index: 0;
}

button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; color: inherit; }

.tabular { font-variant-numeric: tabular-nums; }

/* ---------- App shell ---------- */
.app {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 264px 1fr;
  min-height: 100vh;
}
.app.app-login {
  display: block;
}
.app.app-login .main {
  margin: 0 auto;
}
/* Sidebar */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  border-right: 1px solid var(--border);
  background: var(--bg-2);
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 14px;
  border-bottom: 1px solid var(--border);
}
.brand-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--accent);
  display: grid; place-items: center;
  color: white;
  box-shadow: var(--accent-glow);
  font-weight: 700;
  letter-spacing: -0.04em;
}
.brand-name { font-weight: 600; letter-spacing: -0.01em; }
.brand-sub { font-size: 11px; color: var(--text-3); }

.nav-section {
  display: flex; flex-direction: column; gap: 2px;
  padding: 8px 0;
}
.nav-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  padding: 8px 10px 4px;
  font-weight: 500;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  color: var(--text-2);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  border: none;
  background: transparent;
  text-align: left;
  width: 100%;
  transition: background 120ms ease, color 120ms ease;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active {
  background: var(--accent);
  color: white;
  box-shadow: var(--accent-glow);
}
.nav-item .badge {
  margin-left: auto;
  background: var(--surface-3);
  color: var(--text-2);
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 999px;
  font-weight: 600;
}
.nav-item.active .badge { background: rgba(255,255,255,0.25); color: white; }

.sidebar-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #ff8a5b);
  display: grid; place-items: center;
  color: white; font-weight: 700;
  font-size: 12px;
}

/* Main */
.main {
  padding: 26px 32px 80px;
  max-width: 1480px;
  width: 100%;
}

.topbar {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 24px;
}
.crumbs {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-3); font-size: 13px;
}
.crumb-sep { opacity: 0.4; }
.crumb-current { color: var(--text); font-weight: 500; }

.search {
  margin-left: auto;
  display: flex; align-items: center; gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 10px;
  width: 320px;
}
.search input {
  background: transparent; border: 0; outline: none; flex: 1;
  font-size: 13px;
}
.search kbd {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 10.5px;
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 5px;
}

.icon-btn {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  display: grid; place-items: center;
  transition: 120ms;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }

/* Page header */
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 22px;
  gap: 24px;
}
.page-title {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin: 0 0 6px;
}
.page-sub { color: var(--text-2); font-size: 14px; margin: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 14px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 13.5px;
  border: 1px solid transparent;
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
  transition: 120ms;
  white-space: nowrap;
}
.btn:hover { border-color: var(--border-strong); }
.btn-primary {
  background: var(--accent);
  color: white;
  border-color: transparent;
  box-shadow: var(--accent-glow);
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost {
  background: transparent; border-color: transparent; color: var(--text-2);
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-danger { color: var(--bad); }
.btn-danger:hover { background: rgba(248, 113, 113, 0.08); border-color: rgba(248, 113, 113, 0.3); }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--pad-card);
  box-shadow: var(--shadow-card);
}
.card-lg { padding: var(--pad-card-lg); border-radius: var(--radius-lg); }
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.card-title { font-size: 13px; color: var(--text-2); font-weight: 500; margin: 0; letter-spacing: 0.01em; }
.card-actions { display: flex; gap: 6px; }

/* Stat cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex; flex-direction: column; gap: 10px;
  position: relative;
  overflow: hidden;
}
.stat-label {
  font-size: 12.5px; color: var(--text-2);
  display: flex; align-items: center; gap: 6px;
}
.stat-icon {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--surface-2);
  display: grid; place-items: center;
  color: var(--text-2);
}
.stat-value {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stat-foot {
  display: flex; align-items: center; gap: 6px;
  font-size: 12.5px;
  color: var(--text-3);
}
.delta { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; font-variant-numeric: tabular-nums; }
.delta.up { color: var(--good); }
.delta.down { color: var(--bad); }

/* Mini sparkline */
.spark {
  position: absolute; right: 14px; bottom: 10px;
  width: 90px; height: 30px; opacity: 0.7;
  pointer-events: none;
}

/* Chart */
.chart-card {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.chart-meta {
  display: flex; align-items: baseline; gap: 14px;
}
.chart-value {
  font-size: 36px; font-weight: 600; letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.chart-period {
  display: flex; gap: 4px;
  background: var(--surface-2);
  padding: 4px;
  border-radius: 9px;
  border: 1px solid var(--border);
}
.chart-period button {
  border: 0; background: transparent; color: var(--text-2);
  padding: 4px 10px; font-size: 12px; border-radius: 6px;
  font-weight: 500;
}
.chart-period button.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 0 var(--border);
}

.bars {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
  height: 200px;
  align-items: end;
  padding: 0 4px;
}
.bar-col { display: flex; flex-direction: column; align-items: center; gap: 8px; height: 100%; }
.bar-wrap {
  width: 100%; flex: 1; display: flex; align-items: flex-end;
  position: relative;
}
.bar {
  width: 100%;
  background: linear-gradient(180deg, var(--accent), #d63d63);
  border-radius: 7px 7px 3px 3px;
  position: relative;
  box-shadow: 0 -10px 30px -8px var(--accent-soft);
  animation: barRise 700ms cubic-bezier(0.16, 1, 0.3, 1) backwards;
}
.bar.muted {
  background: var(--surface-3);
  box-shadow: none;
  opacity: 0.5;
}
.bar-label { font-size: 11px; color: var(--text-3); }
.bar-tip {
  position: absolute; left: 50%; top: -32px;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  font-size: 11px; font-weight: 600;
  padding: 3px 7px;
  border-radius: 5px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  opacity: 0; transition: 120ms;
  pointer-events: none;
}
.bar-col:hover .bar-tip { opacity: 1; transform: translateX(-50%) translateY(-2px); }

@keyframes barRise {
  from { transform: scaleY(0); transform-origin: bottom; }
  to { transform: scaleY(1); }
}

/* Audience satisfaction gauge */
.gauge-card {
  display: flex; flex-direction: column; gap: 8px;
  align-items: stretch;
}
.gauge {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1.05;
  margin-top: 6px;
}
.gauge-value {
  position: absolute; left: 0; right: 0; bottom: 8px; text-align: center;
  font-size: 30px; font-weight: 600; letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.gauge-emoji {
  position: absolute; left: 50%; bottom: 60px; transform: translateX(-50%);
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--good);
  display: grid; place-items: center;
  color: white;
  font-size: 18px;
}
.gauge-foot {
  display: flex; justify-content: space-between;
  font-size: 11.5px; color: var(--text-3);
  margin-top: 2px;
}

/* Promo */
.promo {
  background: linear-gradient(160deg, var(--accent), #d63d63);
  color: white;
  border-radius: var(--radius);
  padding: 22px;
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--accent-glow);
  border: none;
}
.promo::before {
  content: '';
  position: absolute;
  inset: -40% -20% auto auto;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255,255,255,0.25), transparent 70%);
  pointer-events: none;
}
.promo h3 { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin: 0; line-height: 1.2; }
.promo p { font-size: 13px; opacity: 0.9; margin: 0; line-height: 1.5; }
.promo-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: white; font-weight: 600; text-decoration: none;
  margin-top: auto;
}

/* Episodes list */
.list { display: flex; flex-direction: column; }
.list-row {
  display: grid;
  grid-template-columns: 28px 48px 1fr auto auto auto auto;
  align-items: center;
  gap: 14px;
  padding: 12px 8px;
  border-radius: 10px;
  transition: 120ms;
}
.list-row:hover { background: var(--surface-2); }
.list-row + .list-row { border-top: 1px solid var(--border); }

.rank {
  font-size: 11.5px;
  color: var(--text-3);
  font-weight: 600;
  background: var(--surface-2);
  border-radius: 6px;
  text-align: center;
  padding: 4px 0;
  font-variant-numeric: tabular-nums;
}
.cover {
  width: 44px; height: 44px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--surface-3), var(--surface-2));
  display: grid; place-items: center;
  color: var(--text-3);
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.cover.lg { width: 64px; height: 64px; border-radius: 10px; }
.cover.xl { width: 88px; height: 88px; border-radius: 14px; }
.ep-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ep-title { font-weight: 500; font-size: 14px; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ep-sub { font-size: 12.5px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.duration { font-size: 12.5px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.tag {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.tag.live { background: var(--accent-soft); color: var(--accent); border-color: rgba(255,95,126,0.25); }
.tag.live::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,95,126,0.3);
  animation: pulse 1.5s ease-in-out infinite;
}
.tag.draft { background: var(--surface-2); color: var(--text-2); }
.tag.published { background: rgba(74, 222, 128, 0.12); color: var(--good); border-color: rgba(74, 222, 128, 0.25); }
.tag.scheduled { background: rgba(245, 185, 66, 0.12); color: var(--warn); border-color: rgba(245, 185, 66, 0.25); }
.tag.unlisted { background: rgba(255,255,255,0.04); color: var(--text-3); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Form */
.form-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  margin-top: 8px;
}
.form-section { padding: 24px 0; border-top: 1px solid var(--border); }
.form-section:first-child { border-top: 0; padding-top: 0; }
.form-section-title { font-size: 14px; font-weight: 600; margin: 0 0 4px; letter-spacing: -0.005em; }
.form-section-desc { font-size: 12.5px; color: var(--text-3); margin: 0; line-height: 1.55; }
.form-section-body { display: flex; flex-direction: column; gap: 16px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.label { font-size: 12.5px; font-weight: 500; color: var(--text-2); }
.required { color: var(--accent); }

.input, .textarea, .select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 10px 12px;
  font-size: 13.5px;
  color: var(--text);
  outline: none;
  transition: 120ms;
  width: 100%;
}
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.input.has-prefix {
  padding-left: 32px;
}
.input-wrap { position: relative; }
.input-prefix {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-3); font-size: 13px; pointer-events: none;
}
.textarea { resize: vertical; min-height: 90px; font-family: inherit; line-height: 1.5; }
.help { font-size: 11.5px; color: var(--text-3); }
.error { font-size: 11.5px; color: var(--bad); }

.input.invalid {
  border-color: var(--bad);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.12);
}

/* Toggle / checkbox */
.toggle {
  display: inline-flex; align-items: center; gap: 10px;
  cursor: pointer;
  user-select: none;
}
.toggle input { display: none; }
.toggle-track {
  width: 32px; height: 18px; border-radius: 999px;
  background: var(--surface-3);
  position: relative;
  transition: 120ms;
  flex-shrink: 0;
}
.toggle-track::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px; border-radius: 50%;
  background: white; transition: 160ms cubic-bezier(0.16, 1, 0.3, 1);
}
.toggle input:checked + .toggle-track {
  background: var(--accent);
}
.toggle input:checked + .toggle-track::after { transform: translateX(14px); }
.toggle-label { font-size: 13px; }

.checkbox { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.checkbox input { display: none; }
.check-box {
  width: 16px; height: 16px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  display: grid; place-items: center;
  background: var(--surface);
  flex-shrink: 0;
}
.checkbox input:checked + .check-box {
  background: var(--accent);
  border-color: var(--accent);
}
.checkbox input:checked + .check-box::after {
  content: '✓'; color: white; font-size: 11px; font-weight: 700;
}

/* Segmented */
.seg {
  display: inline-flex;
  background: var(--surface-2);
  padding: 3px;
  border-radius: 9px;
  border: 1px solid var(--border);
  gap: 2px;
}
.seg button {
  background: transparent; border: 0; color: var(--text-2);
  padding: 6px 12px; font-size: 12.5px; border-radius: 6px;
  font-weight: 500;
}
.seg button.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 0 var(--border);
}

/* Upload zone */
.upload {
  border: 1.5px dashed var(--border-strong);
  border-radius: 14px;
  padding: 28px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center;
  background: var(--surface-2);
  transition: 160ms;
  cursor: pointer;
}
.upload:hover, .upload.drag {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.upload-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--surface);
  display: grid; place-items: center;
  color: var(--text-2);
  border: 1px solid var(--border);
}
.upload-title { font-weight: 500; font-size: 14px; }
.upload-sub { font-size: 12.5px; color: var(--text-3); }
.upload-row { display: flex; gap: 8px; margin-top: 4px; }

/* Cover upload */
.cover-upload {
  width: 180px; height: 180px;
  border-radius: 14px;
  border: 1.5px dashed var(--border-strong);
  background: var(--surface-2);
  display: grid; place-items: center;
  color: var(--text-3);
  font-size: 12px;
  text-align: center;
  padding: 16px;
  cursor: pointer;
  transition: 160ms;
  position: relative;
  overflow: hidden;
}
.cover-upload:hover { border-color: var(--accent); color: var(--accent); }
.cover-upload .filled {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent), #ff8a5b);
  display: grid; place-items: center;
  color: white; font-weight: 700; font-size: 28px;
  letter-spacing: -0.02em;
}

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  display: grid; place-items: center;
  z-index: 100;
  padding: 24px;
  animation: fadeIn 160ms ease;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  width: 100%;
  max-width: 540px;
  padding: 28px;
  box-shadow: 0 50px 100px -30px rgba(0,0,0,0.5);
  animation: modalIn 240ms cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 18px;
  gap: 16px;
}
.modal-title { font-size: 18px; font-weight: 600; margin: 0; letter-spacing: -0.015em; }
.modal-sub { font-size: 13px; color: var(--text-2); margin: 4px 0 0; }
.modal-foot {
  display: flex; justify-content: flex-end; gap: 8px;
  margin-top: 22px;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Progress */
.progress {
  width: 100%; height: 6px;
  background: var(--surface-3);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #ff8a5b);
  border-radius: 999px;
  transition: width 240ms ease;
  box-shadow: 0 0 12px var(--accent-soft);
}

.import-step {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0;
  font-size: 13px;
  color: var(--text-2);
}
.import-step.done { color: var(--text); }
.import-step .dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--surface-3);
  display: grid; place-items: center;
  color: var(--text-3);
  font-size: 11px;
  flex-shrink: 0;
}
.import-step.done .dot { background: var(--good); color: white; }
.import-step.active .dot { background: var(--accent); color: white; animation: pulse 1.5s ease-in-out infinite; }

/* Theme toggle */
.theme-toggle {
  display: inline-flex; gap: 4px; align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 5px 10px;
  border-radius: 9px;
  cursor: pointer;
  transition: 120ms;
}
.theme-toggle:hover {
  background: var(--surface-2);
  color: var(--text);
}

/* Layout helpers */
.row { display: flex; align-items: center; gap: 12px; }
.col { display: flex; flex-direction: column; gap: 12px; }
.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gap); }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-10 { grid-column: span 10; }
.span-12 { grid-column: span 12; }

/* Action menu */
.menu {
  display: inline-flex; align-items: center; gap: 4px;
}
.kebab {
  width: 28px; height: 28px;
  border-radius: 7px;
  display: grid; place-items: center;
  color: var(--text-3);
  background: transparent;
  border: 0;
}
.kebab:hover { background: var(--surface-2); color: var(--text); }

/* Markdown editor */
.md-editor {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
}
.md-toolbar {
  display: flex; align-items: center; gap: 2px;
  padding: 6px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.md-tab {
  margin-left: auto;
  display: flex; gap: 2px;
  background: var(--surface);
  border-radius: 7px;
  padding: 2px;
  border: 1px solid var(--border);
}
.md-tab button {
  background: transparent; border: 0; color: var(--text-3);
  padding: 4px 10px; font-size: 11.5px; border-radius: 5px;
  font-weight: 500;
}
.md-tab button.active { background: var(--surface-2); color: var(--text); }
.md-btn {
  width: 30px; height: 28px;
  border-radius: 6px;
  background: transparent;
  border: 0;
  color: var(--text-2);
  display: grid; place-items: center;
}
.md-btn:hover { background: var(--surface); color: var(--text); }
.md-body {
  padding: 12px 14px;
  min-height: 140px;
  font-size: 13.5px;
  outline: none;
  line-height: 1.6;
  white-space: pre-wrap;
}
.md-body[contenteditable]:empty::before {
  content: attr(data-placeholder);
  color: var(--text-3);
}
.md-preview p { margin: 0 0 8px; }
.md-preview strong { font-weight: 600; }
.md-preview a { color: var(--accent); }

/* Episode hero (detail) */
.podcast-hero {
  display: flex; align-items: center; gap: 22px;
  padding: 26px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}
.podcast-hero .cover {
  width: 110px; height: 110px;
  border-radius: 14px;
  font-size: 32px;
  background: linear-gradient(135deg, var(--accent), #ff8a5b);
  color: white;
  letter-spacing: -0.04em;
}
.podcast-hero h2 {
  font-size: 28px; font-weight: 600; margin: 0; letter-spacing: -0.025em;
}
.hero-meta { display: flex; gap: 18px; margin-top: 8px; flex-wrap: wrap; color: var(--text-2); font-size: 13px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* Toast */
.toast {
  position: fixed; bottom: 28px; left: 50%;
  transform: translate(-50%, 0);
  background: var(--text);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  display: flex; align-items: center; gap: 8px;
  z-index: 200;
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.3);
  animation: toastIn 240ms cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* Responsive sanity */
@media (max-width: 1280px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-12 .span-8, .grid-12 .span-7, .grid-12 .span-5, .grid-12 .span-4 { grid-column: span 12; }
}
@media (max-width: 920px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .form-grid { grid-template-columns: 1fr; gap: 24px; }
  .grid-12 > [class*="span-"] { grid-column: span 12; }
  .stat-grid { grid-template-columns: 1fr; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }


/* ============================================================================
   Forms · Block editor (new-podcast / new-episode / pages)
   ============================================================================ */

.form-toc {
  position: sticky; top: 24px; align-self: stretch;
  display: flex; flex-direction: column; gap: 2px;
  padding: 8px; border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface);
}
.form-toc-item {
  display: flex; align-items: center;
  padding: 8px 12px; border-radius: 8px;
  font-size: 13.5px; font-weight: 500; color: var(--text-2); text-decoration: none;
  transition: 120ms;
}
.form-toc-item:hover { background: var(--surface-2); color: var(--text); }
.form-toc-item.active { background: var(--surface-3); color: var(--text); font-weight: 600; }

.section-head {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; margin-bottom: 18px;
  padding-bottom: 14px; border-bottom: 1px solid var(--border);
}
.section-head h2 { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.section-head .tab-strip { margin: 0; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field-row { display: flex; gap: 16px; align-items: flex-start; }
.field-row > .field { flex: 1; min-width: 0; }
.label { font-size: 12px; font-weight: 500; color: var(--text-2); letter-spacing: 0.01em; }
.req { color: var(--accent); }

.checkbox {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13.5px; color: var(--text-2); cursor: pointer;
}
.checkbox input { accent-color: var(--accent); width: 16px; height: 16px; }

.toggle-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 18px; padding: 14px 16px;
  border: 1px solid var(--border); border-radius: 12px;
}
.toggle-row .help { display: block; margin-top: 4px; }

.input-affix {
  display: flex; align-items: stretch;
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
  background: var(--surface);
}
.input-affix > span {
  display: inline-flex; align-items: center; padding: 0 12px;
  background: var(--surface-2); color: var(--text-3); font-size: 13px;
  font-family: ui-monospace, monospace;
}
.input-affix > .input {
  flex: 1; border: none !important; border-radius: 0 !important; background: transparent;
}
.input-affix:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.input-readout {
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface-2); font-family: ui-monospace, monospace; font-size: 13px;
}
.input-readout .muted { color: var(--text-3); }
.input-readout .strong { color: var(--text-1); font-weight: 500; }

/* Tab strip (audio source · md tabs) */
.tab-strip {
  display: inline-flex; gap: 4px; padding: 4px;
  background: var(--surface-2); border-radius: 10px; margin-bottom: 14px;
}
.tab-strip .tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 7px;
  border: none; background: transparent; color: var(--text-2);
  font-size: 13px; cursor: pointer; transition: 120ms;
}
.tab-strip .tab:hover { color: var(--text-1); }
.tab-strip .tab.active { background: var(--surface); color: var(--text-1); box-shadow: var(--shadow-1); }

/* Markdown editor (.md-editor exists upstream — extending) */
.md-toolbar {
  display: flex; gap: 4px; padding: 6px 8px;
  border: 1px solid var(--border); border-bottom: none;
  border-radius: 10px 10px 0 0; background: var(--surface-2);
}
.md-toolbar button {
  padding: 5px 10px; border-radius: 6px; border: none; background: transparent;
  color: var(--text-2); font-size: 13px; cursor: pointer;
}
.md-toolbar button:hover { background: var(--surface); color: var(--text-1); }
.md-editor { display: block; border-radius: 0 0 10px 10px; }
.md-editor.split { display: grid; grid-template-columns: 1fr 1fr; }
.md-editor.split .md-source,
.md-editor.split .md-preview { display: block !important; min-height: 320px; }
.md-source {
  width: 100%; border: 1px solid var(--border); border-top: none;
  border-radius: 0 0 10px 10px; padding: 14px; background: var(--surface);
  font-family: ui-monospace, monospace; font-size: 13px; line-height: 1.6;
  resize: vertical; color: var(--text-1);
}
.md-editor.split .md-source { border-radius: 0 0 0 10px; border-right: none; }
.md-preview {
  border: 1px solid var(--border); border-top: none;
  padding: 14px 18px; min-height: 200px; line-height: 1.6;
  border-radius: 0 0 10px 10px; background: var(--surface);
}
.md-editor.split .md-preview { border-radius: 0 0 10px 0; }
.md-preview h1, .md-preview h2, .md-preview h3 { margin: 14px 0 8px; font-weight: 600; }
.md-preview p { margin: 8px 0; }
.md-preview a { color: var(--accent); }
.md-preview blockquote {
  margin: 10px 0; padding: 6px 14px; border-left: 3px solid var(--accent);
  color: var(--text-2); background: var(--surface-2); border-radius: 0 6px 6px 0;
}
.md-preview ul { padding-left: 22px; margin: 8px 0; }
.md-preview code {
  font-family: ui-monospace, monospace; font-size: 12.5px;
  background: var(--surface-2); padding: 1px 6px; border-radius: 4px;
}
.md-foot { padding: 8px 12px; border-top: 1px solid var(--border); margin-top: -1px; }
.md-foot .muted { color: var(--text-3); }

/* Recorder */
.recorder {
  display: flex; align-items: center; gap: 14px;
  padding: 16px; border: 1px solid var(--border); border-radius: 12px;
}
.recorder-meter {
  flex: 1; height: 6px; background: var(--surface-2); border-radius: 999px; overflow: hidden;
}
.recorder-meter span {
  display: block; width: 0%; height: 100%; background: var(--accent);
  transition: width 120ms;
}
.recorder-time { font-size: 13px; color: var(--text-3); min-width: 56px; text-align: right; }

/* Pages list (sidebar of /pages) */
.page-list { display: flex; flex-direction: column; }
.page-list-item {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; padding: 12px 16px; border-top: 1px solid var(--border);
  color: var(--text-1); text-decoration: none;
  transition: 120ms;
}
.page-list-item:first-child { border-top: none; }
.page-list-item:hover { background: var(--surface-2); }
.page-list-item.active { background: var(--accent-soft); }
.page-list-item .strong { font-size: 13.5px; font-weight: 500; }
.page-list-item .tag { font-size: 11px; flex-shrink: 0; }
.page-list-item .tag.published { background: rgba(16,185,129,0.13); color: #10b981; }
.page-list-item .tag.draft { background: var(--surface-3); color: var(--text-3); }

/* Block editor */
.btn-sm { padding: 5px 10px; font-size: 12px; }
.editor-toolbar {
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
  padding: 12px 16px; background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.editor-toolbar button {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-1); font-size: 12.5px; cursor: pointer;
}
.editor-toolbar button:hover { border-color: var(--accent); color: var(--accent); }

.page-canvas {
  display: flex; flex-direction: column; gap: 12px;
  padding: 20px; background: var(--surface);
  min-height: 360px;
}
.empty-canvas {
  text-align: center; padding: 48px; color: var(--text-3);
  font-size: 13px; border: 1px dashed var(--border); border-radius: 12px;
}
.page-block {
  display: grid; grid-template-columns: 28px 1fr auto;
  gap: 12px; padding: 14px 14px 14px 8px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  transition: 120ms;
}
.page-block:hover { border-color: var(--accent); }
.page-block.dragging { opacity: 0.4; }
.block-handle {
  display: grid; place-items: center;
  color: var(--text-3); cursor: grab; font-weight: 700; letter-spacing: -2px;
  user-select: none;
}
.block-handle:active { cursor: grabbing; }
.block-body { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.block-meta {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-3); font-weight: 600;
}
.block-input {
  width: 100%; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface-2); color: var(--text-1); font-family: inherit; font-size: 13.5px;
}
.block-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.block-h-text { font-weight: 600; font-size: 15px; }
textarea.block-input { resize: vertical; line-height: 1.5; }
.block-actions { display: flex; flex-direction: column; gap: 4px; }
.block-actions button {
  width: 26px; height: 26px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-3); font-size: 12px; cursor: pointer;
}
.block-actions button:hover { color: var(--text-1); border-color: var(--accent); }

/* Cover upload affordance in section 1.1 */
.cover-upload:hover { filter: brightness(1.08); }