/* ---------------------------------------------------------------------
   Design tokens
   Concept: a physical paper timetable / departure board — hairline
   rules, a monospace time column, a warm paper ground. No soft card
   shadows, no rounded-corner kit.
------------------------------------------------------------------------ */
:root {
  --paper: #F1EEE5;
  --ink: #21281F;
  --ink-soft: #6E7568;
  --rule: #D8D3C4;
  --amber: #B5652B;
  --sage: #7C8A73;
  --error: #A23B2E;

  --font-display: Iowan Old Style, Palatino Linotype, Palatino, Georgia, serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 40px;
}

* { box-sizing: border-box; }

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

body {
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------
   Top bar
------------------------------------------------------------------------ */
.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--rule);
}

.topbar__title {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.topbar__refresh {
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 18px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  line-height: 1;
}

.topbar__refresh:hover { border-color: var(--ink); }

.topbar__refresh.is-spinning {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---------------------------------------------------------------------
   Week navigation
------------------------------------------------------------------------ */
.weeknav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.weeknav__arrow {
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 20px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  line-height: 1;
  flex: 0 0 auto;
}

.weeknav__arrow:hover { border-color: var(--ink); }

.weeknav__label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.weeknav__range {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.3px;
  color: var(--ink);
}

.weeknav__today {
  border: none;
  background: transparent;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.4px;
  cursor: pointer;
  padding: 2px 0;
}

.weeknav__today:hover { text-decoration: underline; }

/* ---------------------------------------------------------------------
   Agenda: a stacked list of day sections for the whole week
------------------------------------------------------------------------ */
.agenda {
  padding: var(--space-3) var(--space-4) var(--space-5);
  max-width: 640px;
  margin: 0 auto;
}

.day {
  margin-bottom: var(--space-4);
}

.day__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--ink);
  margin-bottom: var(--space-1);
}

.day--today .day__header {
  border-bottom-color: var(--amber);
}

.day__name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.6px;
  color: var(--ink-soft);
}

.day--today .day__name {
  color: var(--amber);
}

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

.day__empty {
  margin: var(--space-2) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  font-style: italic;
}

.event {
  display: grid;
  grid-template-columns: 64px 1px 1fr;
  column-gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px dashed var(--rule);
}

.day__events .event:last-child { border-bottom: none; }

.event__time {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  display: flex;
  flex-direction: column;
  padding-top: 2px;
}

.event__start { color: var(--ink); font-weight: 600; }

.event__rule {
  background: var(--rule);
}

.event__title {
  margin: 0 0 var(--space-1);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
}

.event__location {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--sage);
}

.event__description {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.event__location:empty,
.event__description:empty { display: none; }

/* ---------------------------------------------------------------------
   States: loading / error
------------------------------------------------------------------------ */
.state {
  padding: var(--space-5) var(--space-3);
  text-align: center;
  color: var(--ink-soft);
  font-size: 15px;
}

.state--error {
  color: var(--error);
  border: 1px solid var(--error);
  background: #F7E9E6;
}

.state__retry {
  display: inline-block;
  margin-top: var(--space-3);
  border: 1px solid var(--error);
  background: transparent;
  color: var(--error);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
}

.state__retry:hover { background: var(--error); color: var(--paper); }

@media (prefers-reduced-motion: reduce) {
  .topbar__refresh.is-spinning { animation: none; }
}