/* ============================================================
   The Family Calendar — "Editorial Warm Cream" variant
   Aesthetic: Substack / The New Yorker / Are.na
   Fonts: Fraunces (editorial serif) + Inter (UI sans)
   ============================================================ */

/* ---- Design tokens ---- */
:root {
  --color-bg:          #FAF7F2;
  --color-bg-deep:     #F2EDE3;
  --color-surface:     #FFFFFF;
  --color-text:        #1C1612;
  --color-text-muted:  #6B5D52;
  --color-text-dim:    #9A8B7C;
  --color-border:      #E8E0D5;
  --color-border-hi:   #C9BCA8;
  --color-accent:      #B45309;
  --color-accent-hi:   #92400E;
  --color-accent-bg:   #FEF3C7;
  --color-success:     #166534;
  --color-danger:      #9F1239;
  --color-danger-bg:   #FFF1F2;
  --color-danger-border: #FECDD3;

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-full: 999px;

  --shadow-card:  0 1px 3px rgba(28, 22, 18, 0.05), 0 2px 8px rgba(28, 22, 18, 0.04);
  --shadow-modal: 0 20px 50px -12px rgba(28, 22, 18, 0.22), 0 4px 16px rgba(28, 22, 18, 0.08);

  --font-serif: 'Fraunces', 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --transition: 160ms ease-out;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 36px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

/* Brand / masthead */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}
.brand h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-text);
  /* Masthead underline — subtle print reference */
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-color: var(--color-border-hi);
  text-decoration-thickness: 1px;
}
.brand h1 em {
  font-style: italic;
  font-weight: 400;
}

/* Identity badge — byline pill */
.identity-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px 6px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  transition: border-color var(--transition);
}
.identity-badge:hover { border-color: var(--color-border-hi); }
.identity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* Icon button (settings cog) */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.icon-btn:hover {
  background: var(--color-bg-deep);
  color: var(--color-text);
}
.icon-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.icon-btn svg { width: 15px; height: 15px; }

/* ============================================================
   OFFLINE BANNER
   ============================================================ */
.banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 36px;
  background: var(--color-accent-bg);
  color: var(--color-accent-hi);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13.5px;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}
.banner svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* ============================================================
   CALENDAR AREA
   ============================================================ */
main#calendar {
  padding: 28px 36px 8px;
  background: var(--color-bg);
}

/* FullCalendar overrides — warm editorial treatment */
.fc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  font-family: var(--font-sans);
  box-shadow: var(--shadow-card);
}

/* Toolbar title — Fraunces, editorial weight */
.fc-toolbar-title {
  font-family: var(--font-serif) !important;
  color: var(--color-text) !important;
  font-size: 20px !important;
  font-weight: 600 !important;
  letter-spacing: -0.02em !important;
}

/* Column headers (SUN / MON / …) */
.fc-col-header-cell-cushion {
  font-family: var(--font-serif) !important;
  color: var(--color-text-muted) !important;
  font-weight: 500 !important;
  font-size: 11px !important;
  text-transform: uppercase !important;
  letter-spacing: 0.08em !important;
  padding: 12px 4px !important;
}

/* Day numbers */
.fc-daygrid-day-number {
  color: var(--color-text) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  font-feature-settings: 'tnum' !important;
  padding: 8px !important;
}

/* Today — terracotta accent on day number */
.fc-day-today {
  background: rgba(180, 83, 9, 0.03) !important;
}
.fc-day-today .fc-daygrid-day-number {
  color: var(--color-accent) !important;
  font-weight: 700 !important;
  /* Small terracotta underline under today number */
  text-decoration: underline !important;
  text-underline-offset: 3px !important;
  text-decoration-color: var(--color-accent) !important;
  text-decoration-thickness: 2px !important;
}

/* Day cell hover */
.fc-daygrid-day:hover {
  background: var(--color-bg-deep) !important;
}

/* Nav / view buttons */
.fc-button-primary {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text) !important;
  font-family: var(--font-sans) !important;
  font-weight: 500 !important;
  font-size: 13px !important;
  padding: 6px 12px !important;
  border-radius: var(--radius-md) !important;
  box-shadow: none !important;
  text-transform: capitalize !important;
  transition: background var(--transition), border-color var(--transition) !important;
}
.fc-button-primary:hover {
  background: var(--color-bg-deep) !important;
  border-color: var(--color-border-hi) !important;
}
.fc-button-primary:focus {
  box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.15) !important;
}
.fc-button-active,
.fc-button-primary:not(:disabled).fc-button-active {
  background: var(--color-accent) !important;
  border-color: var(--color-accent) !important;
  color: #FFFBF5 !important;
}
.fc-button-active:hover,
.fc-button-primary:not(:disabled).fc-button-active:hover {
  background: var(--color-accent-hi) !important;
  border-color: var(--color-accent-hi) !important;
}

/* Event chips — warm cream wash, terracotta left border */
.fc-event {
  border: none !important;
  border-left: 2px solid currentColor !important;
  background: var(--color-accent-bg) !important;
  padding: 2px 6px !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  color: var(--color-text) !important;
  border-radius: var(--radius-sm) !important;
  cursor: pointer;
  transition: opacity var(--transition);
}
.fc-event:hover { opacity: 0.8; }
.fc-daygrid-event-dot { display: none !important; }

/* Grid borders — warm hairlines */
.fc-scrollgrid { border-color: var(--color-border) !important; }
.fc-scrollgrid-section > * { border-color: var(--color-border) !important; }
.fc-col-header-cell,
.fc-daygrid-day { border-color: var(--color-border) !important; }

/* ============================================================
   LEGEND
   ============================================================ */
.legend {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 16px 36px 28px;
  background: var(--color-bg);
}

.legend .chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-sans);
  color: var(--color-text);
  transition: background var(--transition), border-color var(--transition);
  cursor: default;
}
.legend .chip:hover {
  background: var(--color-bg-deep);
  border-color: var(--color-border-hi);
}
.legend .chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================================
   FAB — Floating action button
   ============================================================ */
.fab {
  position: fixed;
  right: 36px;
  bottom: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--color-accent);
  color: #FFFBF5;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(180, 83, 9, 0.30), 0 1px 4px rgba(28, 22, 18, 0.12);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.fab:hover {
  background: var(--color-accent-hi);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(180, 83, 9, 0.35), 0 2px 6px rgba(28, 22, 18, 0.14);
}
.fab:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.fab svg { width: 22px; height: 22px; }

/* ============================================================
   MODALS
   ============================================================ */
.hidden { display: none !important; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(28, 22, 18, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.modal-card {
  background: var(--color-surface);
  padding: 32px;
  border-radius: var(--radius-lg);
  min-width: 380px;
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-modal);
  border: 1px solid var(--color-border);
}

/* Modal heading — Fraunces editorial */
.modal-card h2 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

/* Subtitle / muted text */
.modal-card .muted {
  color: var(--color-text-muted);
  font-size: 13.5px;
  margin: 0 0 22px;
  line-height: 1.5;
}
.modal-card .muted em {
  font-style: italic;
}

/* Identity card — slightly wider, centered */
.identity-card {
  max-width: 380px;
  text-align: center;
}

/* Identity selection buttons */
.identity-buttons {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}
.identity-buttons button {
  flex: 1;
  padding: 14px 16px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  letter-spacing: -0.01em;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}
.identity-buttons button:hover {
  background: var(--color-accent-bg);
  border-color: var(--color-accent);
  color: var(--color-accent-hi);
  box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.10);
}
.identity-buttons button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ============================================================
   FORM FIELDS
   ============================================================ */
.field {
  display: block;
  margin-bottom: 16px;
}

/* Field labels — small caps, warm muted */
.field > span {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* Inputs / select / textarea */
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 9px 12px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font-sans);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.field input::placeholder,
.field textarea::placeholder {
  color: var(--color-text-dim);
}
.field input:hover,
.field textarea:hover,
.field select:hover {
  border-color: var(--color-border-hi);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.12);
}
.field input[type="file"] {
  padding: 6px;
  font-size: 13px;
  cursor: pointer;
}
.field textarea {
  resize: vertical;
  min-height: 72px;
}

/* Select arrow — custom warm indicator */
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239A8B7C' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

/* Checkbox field */
.checkbox-field {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
}
.checkbox-field input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

/* Two-column row (start / end) */
.row {
  display: flex;
  gap: 12px;
}
.row .field { flex: 1; }

/* Form footer */
.form-footer {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

/* Primary — solid terracotta */
.btn-primary {
  background: var(--color-accent);
  color: #FFFBF5;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-hi);
  border-color: var(--color-accent-hi);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Ghost — cream surface, warm border */
.btn-ghost {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-bg-deep);
  border-color: var(--color-border-hi);
}
.btn-ghost:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Danger — outline crimson, fills on hover */
.btn-danger {
  background: var(--color-surface);
  color: var(--color-danger);
  border-color: var(--color-danger-border);
  margin-right: auto;
}
.btn-danger:hover {
  background: var(--color-danger);
  color: #FFFBF5;
  border-color: var(--color-danger);
}
.btn-danger:focus-visible {
  outline: 2px solid var(--color-danger);
  outline-offset: 3px;
}

/* ============================================================
   ERROR MESSAGE
   ============================================================ */
.error {
  color: var(--color-danger);
  font-size: 13px;
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger-border);
  border-radius: var(--radius-md);
  line-height: 1.5;
}

/* ============================================================
   TOASTS
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 10px 18px;
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: 0 4px 14px rgba(28, 22, 18, 0.18);
  pointer-events: auto;
}
.toast.error {
  background: var(--color-danger);
  color: #FFFBF5;
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  .fab:hover { transform: none; }
}

/* ============================================================
   RESPONSIVE — 768px
   ============================================================ */
@media (max-width: 768px) {
  .topbar {
    padding: 12px 18px;
  }
  .brand h1 {
    font-size: 16px;
  }
  main#calendar {
    padding: 16px 16px 8px;
  }
  .fc {
    padding: 12px 14px;
  }
  .legend {
    padding: 12px 16px 20px;
  }
  .fab {
    right: 18px;
    bottom: 18px;
  }
  .modal-card {
    min-width: 0;
    padding: 22px 18px;
    border-radius: var(--radius-md);
  }
  .identity-card {
    max-width: 100%;
  }
  .row {
    flex-direction: column;
    gap: 0;
  }
  .banner {
    padding: 10px 18px;
  }
}