:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --border: #e2e5ec;
  --text: #1f2430;
  --muted: #6b7280;
  --accent: #4f46e5;
  --accent-soft: #eef0fe;
  --today: #fde68a;
  --danger: #dc2626;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.link-button {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
}

.link-button:hover { color: var(--danger); }

.flashes {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.flash {
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.flash-error {
  background: #fee2e2;
  color: #991b1b;
}

/* ---------- Calendar layout ---------- */

.calendar-page {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 800px) {
  .calendar-page { grid-template-columns: 1fr; }
}

.calendar-pane {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.calendar-nav h1 {
  font-size: 1.3rem;
  margin: 0;
  min-width: 12ch;
  text-align: center;
}

.nav-arrow {
  text-decoration: none;
  color: var(--text);
  font-size: 1.4rem;
  padding: 0.1rem 0.6rem;
  border-radius: 8px;
}

.nav-arrow:hover { background: var(--accent-soft); }

.year-jump {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.year-jump input[type="number"] {
  width: 6rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.year-jump button {
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.weekday {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  padding-bottom: 0.4rem;
}

.day-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.3rem;
  aspect-ratio: 1;
  padding: 0.4rem 0.2rem;
  border-radius: 10px;
  border: 2px solid transparent;
  text-decoration: none;
  color: var(--text);
  background: var(--bg);
}

.day-cell:hover { background: var(--accent-soft); }

.day-cell.outside { color: var(--muted); opacity: 0.5; }

.day-cell.today { background: var(--today); }

.day-cell.selected {
  border-color: var(--accent);
}

.day-cell.has-events {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.day-cell.selected.has-events {
  box-shadow: none;
}

.day-number {
  font-size: 0.9rem;
  font-weight: 600;
}

.event-dots {
  display: flex;
  gap: 3px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

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

.day-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.day-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.day-panel-header h2 {
  font-size: 1rem;
  margin: 0;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
  font-size: 0.85rem;
  white-space: nowrap;
}

.button-secondary {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
}

.event-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.event-item {
  border-left: 4px solid var(--accent);
  background: var(--bg);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
}

.event-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.event-title {
  font-weight: 600;
}

.event-category {
  font-size: 0.7rem;
  color: #fff;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
}

.event-repeat {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.event-notes {
  font-size: 0.85rem;
  color: var(--text);
  margin: 0.4rem 0 0;
  white-space: pre-wrap;
}

.event-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
  font-size: 0.8rem;
}

.event-actions a { color: var(--muted); }

.empty-state {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- Forms ---------- */

.form-page {
  max-width: 480px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.form-page h1 {
  font-size: 1.2rem;
  margin-top: 0;
}

.login-form, .event-form {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.login-form label, .event-form label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 0.6rem;
}

.login-form input,
.event-form input,
.event-form select,
.event-form textarea {
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
}

.event-form input[type="color"] {
  padding: 0.2rem;
  height: 2.4rem;
  width: 4rem;
}

.login-form button,
.event-form button[type="submit"] {
  margin-top: 1rem;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}