:root {
  --bg: #0f1117;
  --bg-2: #161b26;
  --bg-3: #1e2535;
  --border: #2a3347;
  --text: #e8ecf4;
  --muted: #8b95a8;
  --accent: #7c5cff;
  --accent-2: #a78bfa;
  --accent-dim: rgba(124, 92, 255, 0.15);
  --ok: #34d399;
  --warn: #fbbf24;
  --err: #f87171;
  --radius: 12px;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Syne", "DM Sans", sans-serif;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
}

body {
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(124, 92, 255, 0.18), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(56, 189, 248, 0.08), transparent 50%),
    var(--bg);
  min-height: 100vh;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Login ── */
#login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(400px, 100%);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
}

.login-card .brand {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.login-card .brand span { color: var(--accent-2); }
.login-card p { color: var(--muted); margin-bottom: 28px; }

#demo-login-btn {
  margin-top: 16px;
  width: 100%;
}

/* ── Shell ── */
#app-shell { display: none; min-height: 100vh; }

.app-header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 40;
}

.logo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.logo span { color: var(--accent-2); }

.nav {
  display: flex;
  gap: 4px;
  flex: 1;
  flex-wrap: wrap;
}

.nav button {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.15s;
}
.nav button:hover { color: var(--text); background: var(--bg-3); }
.nav button.active {
  color: var(--text);
  background: var(--accent-dim);
  color: var(--accent-2);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}
.user-chip img {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-3);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--muted); color: var(--text); }

main { padding: 24px; max-width: 1400px; margin: 0 auto; }

.page { display: none; }
.page.active { display: block; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: 0.15s;
}
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #6366f1);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn-secondary {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--accent); }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn-danger { background: rgba(248, 113, 113, 0.15); color: var(--err); border: 1px solid transparent; }

/* ── Create layout ── */
.create-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
  min-height: 520px;
}

@media (max-width: 900px) {
  .create-grid { grid-template-columns: 1fr; }
}

.panel {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.panel h2 {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.char-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.char-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  max-height: 480px;
  overflow-y: auto;
}

.char-card {
  border: 2px solid transparent;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-3);
  transition: 0.15s;
  position: relative;
}
.char-card:hover { border-color: var(--border); }
.char-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.char-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  background: #111;
}
.char-card .name {
  padding: 6px 8px;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 500;
}
.field textarea,
.field input,
.field select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
}
.field textarea:focus,
.field input:focus,
.field select:focus {
  border-color: var(--accent);
}

.field textarea { min-height: 140px; resize: vertical; }

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill {
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
}
.pill:hover { border-color: var(--accent); color: var(--text); }
.pill.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent-2);
}

.cost-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 14px;
  color: var(--muted);
}
.cost-line strong { color: var(--warn); font-size: 16px; }

.action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.audio-preview {
  margin: 12px 0;
  display: none;
}
.audio-preview.show { display: block; }
.audio-preview audio { width: 100%; margin-top: 6px; }

/* ── Tasks ── */
.tasks-section {
  margin-top: 20px;
}
.tasks-section .head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.tasks-section h2 {
  font-family: var(--display);
  font-size: 16px;
}

.task-list { display: flex; flex-direction: column; gap: 10px; }

.task-card {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 14px;
  align-items: center;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}
.task-card img, .task-card .thumb-ph {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--bg-3);
}
.task-meta { min-width: 0; }
.task-meta .title {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.task-meta .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 6px;
}
.status-badge.done { background: rgba(52, 211, 153, 0.15); color: var(--ok); }
.status-badge.failed { background: rgba(248, 113, 113, 0.15); color: var(--err); }
.status-badge.running { background: rgba(124, 92, 255, 0.15); color: var(--accent-2); }
.status-badge.ready { background: rgba(251, 191, 36, 0.15); color: var(--warn); }

.progress-bar {
  height: 4px;
  background: var(--bg-3);
  border-radius: 2px;
  margin-top: 8px;
  overflow: hidden;
}
.progress-bar > i {
  display: block;
  height: 100%;
  background: var(--accent);
  transition: width 0.3s;
}

.task-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

/* ── Assets / Upload grids ── */
.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.toolbar input, .toolbar select {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 12px;
  min-width: 180px;
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.asset-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.asset-card video, .asset-card .ph {
  width: 100%;
  aspect-ratio: 9/12;
  object-fit: cover;
  background: #111;
  display: block;
}
.asset-card .body { padding: 12px; }
.asset-card .body h3 {
  font-size: 14px;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.asset-card .tags { display: flex; gap: 4px; flex-wrap: wrap; margin: 8px 0; }
.tag {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--bg-3);
  color: var(--muted);
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
  background: var(--bg-2);
  cursor: pointer;
  transition: 0.15s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); color: var(--text); background: var(--accent-dim); }

/* ── Usage ── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stat {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.stat .label { color: var(--muted); font-size: 12px; }
.stat .value { font-family: var(--display); font-size: 24px; font-weight: 700; margin-top: 4px; }
.stat .value.warn { color: var(--warn); }
.stat .value.ok { color: var(--ok); }

table.data {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
table.data th, table.data td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
table.data th { color: var(--muted); font-weight: 500; font-size: 12px; background: var(--bg-3); }
table.data tr:last-child td { border-bottom: none; }

.empty {
  color: var(--muted);
  text-align: center;
  padding: 40px 20px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: none;
  place-items: center;
  z-index: 100;
  padding: 20px;
}
.modal-backdrop.show { display: grid; }
.modal {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  width: min(440px, 100%);
}
.modal h3 { font-family: var(--display); margin-bottom: 14px; }
.modal .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 10px;
  z-index: 200;
  display: none;
  max-width: 360px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}
.toast.show { display: block; }
.toast.err { border-color: var(--err); }
.toast.ok { border-color: var(--ok); }

.provider-dots { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.dot {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-3);
  color: var(--muted);
}
.dot.on { background: rgba(52, 211, 153, 0.15); color: var(--ok); }
.dot.off { background: rgba(248, 113, 113, 0.1); color: var(--err); }