:root {
  --bg: #1B2430;
  --bg-elevated: #232E3D;
  --bg-elevated-2: #29364780;
  --ink: #F1ECE1;
  --ink-dim: #9FAAB6;
  --ink-faint: #6C7A89;
  --amber: #E8A33D;
  --amber-dim: #E8A33D33;
  --teal: #6E9887;
  --teal-dim: #6E988733;
  --rule: #33404F;
  --danger: #C1666B;
  --radius: 3px;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Work Sans', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px 64px;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
}

/* ---------- Auth gate ---------- */

.auth-gate {
  max-width: 360px;
  margin: 22vh auto 0;
  padding: 0 20px;
  text-align: center;
}

.auth-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 30px;
  margin: 0 0 14px;
}

.auth-status {
  color: var(--ink-dim);
  font-size: 14px;
  margin: 0 0 20px;
}

.signin-btn {
  background: var(--amber);
  color: #1B2430;
  border: none;
  font-family: var(--font-display);
  font-size: 14px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 500;
}
.signin-btn:hover { background: #f0b158; }

.signout-link {
  display: block;
  margin: 16px auto 0;
  background: none;
  border: none;
  color: var(--ink-faint);
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.header-signout {
  background: none;
  border: none;
  color: var(--ink-faint);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 2px;
  padding: 0;
  margin-left: 8px;
}
.header-signout:hover { color: var(--amber); }

/* ---------- Header ---------- */

.app-header {
  position: relative;
  padding: 28px 0 18px;
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}

.topo {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100px;
  opacity: 0;
  animation: topoFadeIn 1.4s ease-out forwards;
}

@keyframes topoFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.topo-line {
  fill: none;
  stroke: var(--rule);
  stroke-width: 1;
}
.topo-line--2 { stroke: var(--rule); opacity: 0.6; }
.topo-line--3 { stroke: var(--rule); opacity: 0.35; }

.header-row {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 34px;
  letter-spacing: 0.2px;
  margin: 0 0 4px;
}

.subtitle {
  margin: 0;
  color: var(--ink-dim);
  font-size: 14px;
}

.sync-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-faint);
  white-space: nowrap;
  padding-top: 6px;
}

.sync-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-faint);
  transition: background 0.3s ease;
}
.sync-dot.live { background: var(--teal); }
.sync-dot.error { background: var(--danger); }

.week-nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
}

.nav-arrow {
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink);
  width: 30px;
  height: 30px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1;
}
.nav-arrow:hover { border-color: var(--amber); color: var(--amber); }

.week-range {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--ink);
  min-width: 190px;
}

.today-btn {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--amber);
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Day tabs ---------- */

.day-tabs {
  display: flex;
  margin-top: 8px;
  border-bottom: 1px solid var(--rule);
}

.day-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--ink-dim);
  font-family: var(--font-display);
  font-size: 14px;
  padding: 14px 4px 12px;
  position: relative;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.day-tab .tab-date {
  display: block;
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--ink-faint);
  margin-top: 2px;
}

.day-tab.selected {
  color: var(--ink);
  border-bottom-color: var(--amber);
}

.day-tab.is-today .tab-date { color: var(--amber); }

.day-tab:hover { color: var(--ink); }

/* ---------- Day panel ---------- */

.day-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  padding-top: 28px;
}

@media (max-width: 640px) {
  .day-panel { grid-template-columns: 1fr; gap: 8px; }
}

.panel-section {
  padding-bottom: 22px;
}

.panel-col-left .field-block {
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}
.panel-col-left .field-block:first-child { padding-top: 0; }

.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.field-label {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--ink);
}

/* toggle switch */
.switch {
  position: relative;
  display: inline-block;
  width: 34px;
  height: 19px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.switch-track {
  position: absolute;
  inset: 0;
  background: var(--rule);
  border-radius: 999px;
  transition: background 0.2s ease;
}
.switch-track::before {
  content: "";
  position: absolute;
  height: 13px;
  width: 13px;
  left: 3px;
  top: 3px;
  background: var(--ink-dim);
  border-radius: 50%;
  transition: transform 0.2s ease, background 0.2s ease;
}
.switch input:checked + .switch-track { background: var(--amber-dim); }
.switch input:checked + .switch-track::before {
  transform: translateX(15px);
  background: var(--amber);
}
.switch.teal input:checked + .switch-track { background: var(--teal-dim); }
.switch.teal input:checked + .switch-track::before { background: var(--teal); }

.field-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

input[type="text"], input[type="time"] {
  background: var(--bg-elevated);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 9px 10px;
  border-radius: var(--radius);
  width: 100%;
}
input[type="time"] { width: 108px; flex: none; color-scheme: dark; }
input:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 1px;
}

.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.preset-chip {
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink-dim);
  font-size: 12px;
  padding: 5px 9px;
  border-radius: var(--radius);
}
.preset-chip:hover { border-color: var(--amber); color: var(--ink); }

.cal-btn {
  background: none;
  border: none;
  color: var(--ink-faint);
  padding: 4px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius);
}
.cal-btn:hover { color: var(--amber); }
.cal-btn svg { width: 16px; height: 16px; }
.cal-btn:disabled { opacity: 0.25; cursor: default; }

/* timeline */

.panel-col-right h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15px;
  margin: 0 0 14px;
  color: var(--ink);
}

.timeline-list {
  display: flex;
  flex-direction: column;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-left: 2px solid var(--rule);
  padding-left: 14px;
  position: relative;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--ink-faint);
}
.timeline-item input[type="text"] { flex: 1; }

.remove-btn {
  background: none;
  border: none;
  color: var(--ink-faint);
  font-size: 16px;
  padding: 2px 6px;
  line-height: 1;
}
.remove-btn:hover { color: var(--danger); }

.add-block-btn {
  margin-top: 12px;
  background: none;
  border: 1px dashed var(--rule);
  color: var(--ink-dim);
  font-size: 13px;
  padding: 9px 12px;
  border-radius: var(--radius);
  width: 100%;
  text-align: left;
}
.add-block-btn:hover { border-color: var(--amber); color: var(--amber); }

.empty-timeline {
  color: var(--ink-faint);
  font-size: 13px;
  padding: 6px 0 14px;
}

/* ---------- Footer ---------- */

.app-footer {
  margin-top: 12px;
  padding-top: 22px;
  border-top: 1px solid var(--rule);
  text-align: center;
}

.ics-btn {
  background: var(--amber);
  color: #1B2430;
  border: none;
  font-family: var(--font-display);
  font-size: 14px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 500;
}
.ics-btn:hover { background: #f0b158; }

.footer-note {
  margin: 12px 0 0;
  color: var(--ink-faint);
  font-size: 12px;
}

@media (prefers-reduced-motion: reduce) {
  .topo { animation: none; opacity: 1; }
  * { transition: none !important; }
}