:root {
  --bg: #0f1115;
  --card: #171a21;
  --border: #262b36;
  --text: #e8eaed;
  --muted: #8b93a3;
  --accent: #7c5cff;
  --accent-hover: #9179ff;
  --error: #ff6b6b;
  --success: #4fd1a1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

header { text-align: center; margin-bottom: 32px; }
header h1 {
  font-size: 2.4rem;
  margin: 0 0 8px;
  background: linear-gradient(135deg, var(--accent), #4fa9ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.tagline { color: var(--muted); margin: 0; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  margin-bottom: 20px;
}
.card h2 { font-size: 1rem; margin: 0 0 10px; color: var(--text); }
.card h2:not(:first-child) { margin-top: 24px; }
.hint { color: var(--muted); font-size: 0.9rem; margin-top: 0; }

.hidden { display: none !important; }

form#gate-form { display: flex; gap: 10px; }
input[type="text"] {
  flex: 1;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0d0f14;
  color: var(--text);
  font-size: 1rem;
}
input[type="text"]:focus { outline: none; border-color: var(--accent); }

button {
  padding: 12px 20px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s ease;
}
button:hover:not(:disabled) { background: var(--accent-hover); }
button:disabled { background: #34384a; color: var(--muted); cursor: not-allowed; }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 32px 16px;
  text-align: center;
  cursor: pointer;
  color: var(--muted);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.dropzone.dragover { border-color: var(--accent); background: rgba(124, 92, 255, 0.08); }
.dropzone.has-file { color: var(--success); border-color: var(--success); }

.modes { display: flex; flex-direction: column; gap: 10px; }
.mode-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.mode-option input { margin-top: 4px; }
.mode-option small { color: var(--muted); }

select {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0d0f14;
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 20px;
}

#generate-btn { width: 100%; margin-top: 8px; }

.error { color: var(--error); font-size: 0.9rem; margin: 10px 0 0; min-height: 1.1em; }

.task-block { margin-bottom: 20px; }
.task-block h3 { margin: 0 0 8px; font-size: 0.95rem; text-transform: capitalize; }
.status-pill {
  display: inline-block;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: #2a2e3a;
  color: var(--muted);
  margin-left: 8px;
}
.status-pill.done { background: rgba(79, 209, 161, 0.15); color: var(--success); }
.status-pill.error { background: rgba(255, 107, 107, 0.15); color: var(--error); }

.variation {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
}
.variation audio { width: 100%; }
.variation a { color: var(--accent); font-size: 0.85rem; text-decoration: none; }
.variation a:hover { text-decoration: underline; }

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }