/* ── Reset & tokens ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0f0f0f;
  --surface:     #1a1a1a;
  --surface2:    #242424;
  --border:      #333;
  --text:        #f0f0f0;
  --muted:       #888;
  --primary:     #2563eb;
  --primary-h:   #1d4ed8;
  --secondary-h: #2f2f2f;
  --danger:      #dc2626;
  --success:     #16a34a;
  --radius:      10px;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  line-height: 1.5;
}

/* ── Layout ────────────────────────────────────────────────────────────────── */
.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 1.25rem 1rem;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

h1 { font-size: 1.4rem; font-weight: 700; }

.btn-signout {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: border-color 0.15s, color 0.15s;
}
.btn-signout:hover { border-color: #666; color: var(--text); }

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

/* ── Form fields ───────────────────────────────────────────────────────────── */
.field { margin-bottom: 1.25rem; }

label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
  line-height: 1.5;
  transition: border-color 0.15s;
}
textarea:focus { outline: none; border-color: var(--primary); }

.char-count {
  text-align: right;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.3rem;
}

/* ── Duration picker ───────────────────────────────────────────────────────── */
.duration-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

@media (min-width: 440px) {
  .duration-grid { grid-template-columns: repeat(4, 1fr); }
}

.dur-option {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: 6px;
  padding: 0.65rem 0.25rem;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.15s, background 0.15s;
  text-align: center;
}
.dur-option input[type=radio] { display: none; }
.dur-option span { font-size: 0.95rem; font-weight: 500; }
.dur-option:hover { border-color: #555; }
.dur-option:has(input:checked) {
  border-color: var(--primary);
  background: #1e2d4a;
  color: #93c5fd;
}

/* ── Action buttons ────────────────────────────────────────────────────────── */
.action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 360px) {
  .action-row { grid-template-columns: 1fr; }
}

.btn {
  padding: 0.9rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background 0.15s;
  /* Minimum touch target */
  min-height: 48px;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-h); }
.btn-primary:disabled { background: #374151; color: #6b7280; cursor: not-allowed; }

.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--secondary-h); border-color: #555; }

/* ── Status bar ────────────────────────────────────────────────────────────── */
.status-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--muted);
  transition: background 0.3s, box-shadow 0.3s;
}
.status-dot.active {
  background: var(--success);
  box-shadow: 0 0 7px var(--success);
}

#status-text {
  font-size: 0.95rem;
  color: var(--muted);
}