:root {
  /* Apple-like light theme */
  --bg: #f5f5f7;
  --panel: #ffffff;
  --panel-2: #fafafa;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --accent: #0a84ff; /* iOS system blue */
  --accent-2: #409cff;
  --danger: #ff3b30;
  --ring: rgba(10, 132, 255, 0.35);
  --border: #e5e5ea;
}

[data-theme="dark"] {
  --bg: #0b1020;
  --panel: #12172a;
  --panel-2: #0f1426;
  --text: #e8eaf2;
  --muted: #a6accd;
  --accent: #0b84fe;
  --accent-2: #7ab7ff;
  --danger: #ff6b6b;
  --ring: rgba(11, 132, 254, 0.5);
  --border: rgba(255,255,255,0.12);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(10, 132, 255, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 0%, rgba(0, 0, 0, 0.06), transparent 60%),
    var(--bg);
  -webkit-text-size-adjust: 100%;
}

.container {
  width: min(980px, 92vw);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
  padding-top: env(safe-area-inset-top);
}

[data-theme="dark"] .site-header {
  background: rgba(11, 16, 32, 0.6);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { font-size: 20px; margin: 0; font-weight: 600; letter-spacing: -0.02em; }
.brand p { margin: 0; color: var(--muted); font-size: 12px; }
.logo { font-size: 22px; filter: saturate(1.1); }

/* site-actions removed */

main.container { padding: 32px 0 56px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
  padding: 24px;
  border-radius: 16px;
  margin-bottom: 18px;
}

.card.subtle { background: var(--panel); opacity: 0.96; }

.card h2 { margin: 0 0 14px; font-size: 20px; letter-spacing: -0.01em; }
.card h3 { margin: 0 0 10px; font-size: 15px; color: var(--muted); font-weight: 600; }
.card p { margin: 0; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field--inline { grid-column: 1 / -1; display: flex; align-items: center; flex-direction: row; gap: 12px; }

.label { color: var(--muted); font-size: 12px; font-weight: 500; }

input[type="text"], input[type="date"], input[type="time"], textarea {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
  font-size: 16px; /* Prevent iOS zoom on focus */
}

input::placeholder, textarea::placeholder { color: var(--muted); }

input:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--ring);
}

textarea { min-height: 80px; resize: vertical; }

.checkbox { display: inline-flex; align-items: center; gap: 8px; color: var(--text); }
.checkbox input { width: 18px; height: 18px; }

.weekday-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.chip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 10px;
  background: var(--panel-2);
  user-select: none;
}

.actions { display: flex; gap: 10px; margin-top: 8px; }

.btn {
  appearance: none;
  font: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 44px; /* Comfortable touch target */
  font-weight: 600;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover { filter: brightness(1.05); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.bulk-list { display: flex; flex-direction: column; gap: 10px; }
.bulk-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr 2fr 1.6fr auto;
  gap: 0;
  border-bottom: 1px solid var(--border);
}
.bulk-row input[type="text"], .bulk-row input[type="date"], .bulk-row input[type="time"] { padding: 10px 12px; border-radius: 0; border: none; border-right: 1px solid var(--border); }
.bulk-row > *:last-child input { border-right: none; }
.bulk-row .bulk-actions { display: flex; align-items: center; gap: 8px; padding: 6px; }
.bulk-row .remove { border-color: var(--border); }

.bulk-table {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.bulk-header {
  display: grid;
  grid-template-columns: 1fr 1.6fr 2fr 1.6fr auto;
  background: var(--panel-2);
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.bulk-header > div { padding: 10px 12px; font-size: 12px; font-weight: 600; }

.time-group { display: flex; align-items: center; gap: 10px; padding: 6px 8px; }
.time-group .times { display: flex; align-items: center; gap: 8px; }
.time-group input[type="time"] { min-width: 120px; }
.time-group .all-day-label { display: inline-flex; align-items: center; gap: 6px; color: var(--text); white-space: nowrap; }
.time-group .bulk-all-day { width: 18px; height: 18px; }

/* Time pill + popover */
.time-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
}

.time-popover-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.12);
  display: none;
  z-index: 40;
}

.time-popover {
  position: absolute;
  min-width: 280px;
  max-width: 92vw;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(17,24,39,0.18);
  padding: 12px;
  z-index: 41;
}

.time-popover .row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.time-popover .row:last-child { margin-bottom: 0; }
.time-popover .label { min-width: 72px; }
.time-popover .actions { display: flex; justify-content: flex-end; gap: 8px; }

@media (max-width: 720px) {
  .time-popover { left: 50% !important; transform: translateX(-50%) !important; right: auto !important; }
}

.time-display {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 720px) {
  .time-group { flex-wrap: wrap; gap: 8px; }
  .time-group .times { width: 100%; gap: 6px; }
  .time-group input[type="time"] { flex: 1; min-width: 0; }
}

@media (max-width: 720px) {
  .bulk-header { display: none; }
  .bulk-row { grid-template-columns: 1fr 1fr; }
  .bulk-row .bulk-actions { grid-column: 1 / -1; justify-content: flex-end; padding: 8px 12px; }
}

@media (max-width: 480px) {
  .bulk-row { grid-template-columns: 1fr; }
  .bulk-row .bulk-actions { justify-content: stretch; }
  .bulk-row .bulk-actions .btn { width: 100%; }
}

.error { color: var(--danger); min-height: 20px; }

.site-footer { color: var(--muted); text-align: center; padding: 28px 0 60px; }
.site-footer { padding-bottom: calc(60px + env(safe-area-inset-bottom)); }

@media (max-width: 720px) {
  body { background: var(--bg); }
  .grid { grid-template-columns: 1fr; gap: 12px; }
  .weekday-grid { grid-template-columns: repeat(4, 1fr); }
  .card { padding: 18px; box-shadow: 0 6px 18px rgba(17, 24, 39, 0.06); }
  .actions { flex-direction: column; }
  .actions .btn { width: 100%; }
  #startDateWrap, #endDateWrap, #startTimeWrap, #endTimeWrap { padding-left: 12px; padding-right: 12px; }
}

@media (max-width: 480px) {
  .weekday-grid { grid-template-columns: repeat(3, 1fr); }
  .brand p { display: none; }
  .brand h1 { font-size: 18px; }
  .container { width: 100%; padding-left: 16px; padding-right: 16px; }
  main.container { padding: 20px 0 40px; }
  .card { padding: 20px; border-radius: 16px; }
  .header-inner { padding: 14px 0; }
  #startDateWrap, #endDateWrap, #startTimeWrap, #endTimeWrap { padding-left: 16px; padding-right: 16px; }
}