/* ==========================================================================
   Ressoar Igreja - Calendário Oficial
   Design System, Responsividade, Cores Institucionais e Acessibilidade (WCAG 2.1)
   ========================================================================== */

:root {
  /* Font Stacks: Instrument Serif (Display/Headings) & Inter Tight (UI/Body) */
  --font-serif: "Instrument Serif", Georgia, Cambria, "Times New Roman", Times, serif;
  --font-sans: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --font-heading: var(--font-serif);
  --font-body: var(--font-sans);

  /* Official Brand Colors (https://ressoarigreja.org) */
  --brand-blue: #2354e8;       /* rgb(35, 84, 232) */
  --brand-blue-hover: #1b44c2;
  --brand-mint: #70eed8;       /* rgb(112, 238, 216) */
  --brand-mint-dark: #0f766e;
  --brand-mint-bg: #ecfdf5;

  /* Light Theme Defaults */
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-cell-empty: #f8fafc;
  --border-color: #e2e8f0;
  --border-strong: #cbd5e1;

  --text-main: #0a0d14;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --accent-primary: var(--brand-blue);
  --accent-primary-hover: var(--brand-blue-hover);
  --accent-badge-bg: #eff6ff;
  --accent-badge-text: #1d4ed8;

  /* Category Palette (Light Mode) */
  --cat-ceia: #be123c;
  --cat-ceia-bg: #fff1f2;
  --cat-vigilia: #6d28d9;
  --cat-vigilia-bg: #f5f3ff;
  --cat-ensino: #0369a1;
  --cat-ensino-bg: #f0f9ff;
  --cat-lideranca: #0f766e;
  --cat-lideranca-bg: #f0fdf4;
  --cat-conferencias: #c2410c;
  --cat-conferencias-bg: #fff7ed;
  --cat-homens-mulheres: #be185d;
  --cat-homens-mulheres-bg: #fdf2f8;
  --cat-jovens-kids: #7c3aed;
  --cat-jovens-kids-bg: #faf5ff;
  --cat-seniores: #b45309;
  --cat-seniores-bg: #fffbeb;
  --cat-especiais: #3730a3;
  --cat-especiais-bg: #eef2ff;
  --cat-feriado: #475569;
  --cat-feriado-bg: #f8fafc;
  --cat-geral: #334155;
  --cat-geral-bg: #f1f5f9;

  /* Elevation */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.06);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

[data-theme="dark"] {
  /* Dark Theme Palette (matching official site obsidian/black background) */
  --bg-page: #0a0d14;
  --bg-surface: #121824;
  --bg-subtle: #1a2233;
  --bg-cell-empty: #0e131d;
  --border-color: #233047;
  --border-strong: #334466;

  --text-main: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-light: #64748b;

  --accent-primary: var(--brand-mint);
  --accent-primary-hover: #99f6e4;
  --accent-badge-bg: rgba(112, 238, 216, 0.12);
  --accent-badge-text: var(--brand-mint);

  /* Category Palette (Dark Mode - High Contrast) */
  --cat-ceia: #fb7185;
  --cat-ceia-bg: #4c0519;
  --cat-vigilia: #c4b5fd;
  --cat-vigilia-bg: #3b0764;
  --cat-ensino: #38bdf8;
  --cat-ensino-bg: #082f49;
  --cat-lideranca: #2dd4bf;
  --cat-lideranca-bg: #042f2e;
  --cat-conferencias: #fb923c;
  --cat-conferencias-bg: #431407;
  --cat-homens-mulheres: #f472b6;
  --cat-homens-mulheres-bg: #500724;
  --cat-jovens-kids: #a78bfa;
  --cat-jovens-kids-bg: #2e1065;
  --cat-seniores: #facc15;
  --cat-seniores-bg: #422006;
  --cat-especiais: #818cf8;
  --cat-especiais-bg: #1e1b4b;
  --cat-feriado: #94a3b8;
  --cat-feriado-bg: #1e293b;
  --cat-geral: #cbd5e1;
  --cat-geral-bg: #1e293b;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.7);
}

/* Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  color-scheme: light dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Accessibility: Skip to content */
.skip-to-content {
  position: absolute;
  top: -999px;
  left: 1rem;
  background: var(--brand-blue);
  color: #ffffff;
  padding: 0.5rem 1rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
}

.skip-to-content:focus {
  top: 1rem;
}

/* Accessibility: Screen-reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus Visibility */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.app-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-content {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-symbol {
  color: var(--brand-mint);
  font-size: 1.25rem;
}

[data-theme="light"] .brand-symbol {
  color: var(--brand-blue);
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.brand-title span {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-muted);
}

.year-badge {
  background-color: var(--accent-badge-bg);
  color: var(--accent-badge-text);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  border: 1px solid currentColor;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* View Mode Switcher */
.view-mode-selector {
  display: flex;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.btn-mode-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-mode-toggle:hover {
  color: var(--text-main);
}

.btn-mode-toggle.active {
  background-color: var(--bg-surface);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.btn-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  color: var(--text-main);
  background: var(--border-color);
}

[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: block; }
:root:not([data-theme="dark"]) .icon-sun { display: none; }
:root:not([data-theme="dark"]) .icon-moon { display: block; }

.btn-top {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 600;
  min-height: 36px;
  padding: 0 0.875rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  text-decoration: none;
  transition: all 0.15s ease;
}

.btn-top:hover {
  background-color: var(--border-color);
}

@media (max-width: 500px) {
  .btn-top-label {
    display: none;
  }
  .btn-top {
    padding: 0 0.6rem;
  }
}

/* Main Stage */
.main-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: 1rem;
  padding-bottom: 2rem;
}

/* Month Navigation Bar */
.month-carousel-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.625rem 0.875rem;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .month-carousel-nav {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-arrow-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-arrow-btn:hover {
  background-color: var(--accent-primary);
  color: #0a0d14;
  border-color: var(--accent-primary);
}

[data-theme="light"] .nav-arrow-btn:hover {
  color: #ffffff;
}

.btn-today {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  min-height: 44px;
  padding: 0 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-today:hover {
  background-color: var(--border-color);
}

.month-tabs-track {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 2px;
}

.month-tab {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  min-height: 40px;
  padding: 0 0.625rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.month-tab:hover {
  color: var(--text-main);
  background-color: var(--bg-subtle);
}

.month-tab.active {
  background-color: var(--accent-primary);
  color: #0a0d14;
  font-weight: 800;
}

[data-theme="light"] .month-tab.active {
  color: #ffffff;
}

/* Horizontal Viewport */
.calendar-slider-viewport {
  width: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
}

.calendar-slider-viewport::-webkit-scrollbar {
  display: none;
}

.calendar-slider-track {
  display: flex;
  width: 100%;
}

/* Month Slide */
.month-slide {
  min-width: 100%;
  max-width: 100%;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-surface);
}

.month-slide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border-color);
}

.month-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.month-number-pill {
  background-color: var(--accent-badge-bg);
  color: var(--accent-badge-text);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-sm);
  border: 1px solid currentColor;
}

.month-name-text {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-main);
  line-height: 1.1;
}

.month-name-text .year-label {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.month-event-badge {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--bg-subtle);
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   DESKTOP: EQUAL-SIZED 7-COLUMN GRID
   ========================================================================== */
.calendar-grid-wrapper {
  display: flex;
  flex-direction: column;
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.calendar-weekdays-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
}

.grid-header-cell {
  text-align: center;
  padding: 0.625rem 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.calendar-days-board {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background-color: var(--border-color);
  gap: 1px;
}

/* Equal-sized day cells */
.day-cell {
  background-color: var(--bg-surface);
  aspect-ratio: 1 / 0.9;
  min-height: 110px;
  max-height: 140px;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  transition: background-color 0.15s ease;
  overflow: hidden;
}

.day-empty {
  background-color: var(--bg-cell-empty);
  opacity: 0.5;
}

.day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.day-number {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1;
}

.day-cell.has-events .day-number {
  color: var(--text-main);
  font-weight: 400;
}

.day-cell.is-today {
  background-color: var(--accent-badge-bg);
}

.day-cell.is-today .day-number {
  background-color: var(--accent-primary);
  color: #0a0d14;
  padding: 0.125rem 0.375rem;
  border-radius: 9999px;
}

[data-theme="light"] .day-cell.is-today .day-number {
  color: #ffffff;
}

.day-events {
  display: flex;
  flex-direction: column;
  gap: 3px;
  overflow-y: auto;
  flex: 1;
  scrollbar-width: thin;
}

.event-pill {
  width: 100%;
  text-align: left;
  background: var(--bg-subtle);
  border: 1px solid transparent;
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  padding: 3px 5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: transform 0.1s ease, filter 0.1s ease;
}

.event-pill:hover {
  transform: translateY(-1px);
  filter: brightness(0.95);
}

[data-theme="dark"] .event-pill:hover {
  filter: brightness(1.25);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  background-color: currentColor;
}

.pill-title {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
  color: var(--text-main);
}

/* Pills Category Colors */
.pill-ceia_batismo { background-color: var(--cat-ceia-bg); border-left-color: var(--cat-ceia); color: var(--cat-ceia); }
.pill-vigilia_oracao { background-color: var(--cat-vigilia-bg); border-left-color: var(--cat-vigilia); color: var(--cat-vigilia); }
.pill-ensino_escolas { background-color: var(--cat-ensino-bg); border-left-color: var(--cat-ensino); color: var(--cat-ensino); }
.pill-lideranca_ga { background-color: var(--cat-lideranca-bg); border-left-color: var(--cat-lideranca); color: var(--cat-lideranca); }
.pill-conferencias_retiros { background-color: var(--cat-conferencias-bg); border-left-color: var(--cat-conferencias); color: var(--cat-conferencias); }
.pill-homens_mulheres { background-color: var(--cat-homens-mulheres-bg); border-left-color: var(--cat-homens-mulheres); color: var(--cat-homens-mulheres); }
.pill-jovens_kids { background-color: var(--cat-jovens-kids-bg); border-left-color: var(--cat-jovens-kids); color: var(--cat-jovens-kids); }
.pill-seniores { background-color: var(--cat-seniores-bg); border-left-color: var(--cat-seniores); color: var(--cat-seniores); }
.pill-especiais_musica { background-color: var(--cat-especiais-bg); border-left-color: var(--cat-especiais); color: var(--cat-especiais); }
.pill-feriado { background-color: var(--cat-feriado-bg); border-left-color: var(--cat-feriado); color: var(--cat-feriado); }
.pill-geral { background-color: var(--cat-geral-bg); border-left-color: var(--cat-geral); color: var(--cat-geral); }

/* ==========================================================================
   MOBILE: HIGH-LEGIBILITY AGENDA LIST VIEW
   ========================================================================== */
.mobile-view-container {
  display: none; /* Shown on mobile by media query or user toggle */
}

.mobile-events-ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-event-card {
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-left-width: 4px;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.mobile-event-card:hover {
  background-color: var(--border-color);
  transform: translateX(2px);
}

.cat-ceia_batismo { border-left-color: var(--cat-ceia); }
.cat-vigilia_oracao { border-left-color: var(--cat-vigilia); }
.cat-ensino_escolas { border-left-color: var(--cat-ensino); }
.cat-lideranca_ga { border-left-color: var(--cat-lideranca); }
.cat-conferencias_retiros { border-left-color: var(--cat-conferencias); }
.cat-homens_mulheres { border-left-color: var(--cat-homens-mulheres); }
.cat-jovens_kids { border-left-color: var(--cat-jovens-kids); }
.cat-seniores { border-left-color: var(--cat-seniores); }
.cat-especiais_musica { border-left-color: var(--cat-especiais); }
.cat-feriado { border-left-color: var(--cat-feriado); }
.cat-geral { border-left-color: var(--cat-geral); }

.mobile-event-btn {
  width: 100%;
  min-height: 56px;
  background: transparent;
  border: none;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-align: left;
  cursor: pointer;
  color: inherit;
  font-family: inherit;
}

.mobile-date-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 62px;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
}

.mobile-date-day {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-main);
  line-height: 1;
  white-space: nowrap;
}

.mobile-event-weekday {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 0.125rem;
}

.mobile-event-content {
  flex: 1;
  min-width: 0;
}

.mobile-event-meta {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-bottom: 0.25rem;
  flex-wrap: wrap;
}

.category-badge {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  display: inline-block;
}

.badge-ceia_batismo { background-color: var(--cat-ceia-bg); color: var(--cat-ceia); }
.badge-vigilia_oracao { background-color: var(--cat-vigilia-bg); color: var(--cat-vigilia); }
.badge-ensino_escolas { background-color: var(--cat-ensino-bg); color: var(--cat-ensino); }
.badge-lideranca_ga { background-color: var(--cat-lideranca-bg); color: var(--cat-lideranca); }
.badge-conferencias_retiros { background-color: var(--cat-conferencias-bg); color: var(--cat-conferencias); }
.badge-homens_mulheres { background-color: var(--cat-homens-mulheres-bg); color: var(--cat-homens-mulheres); }
.badge-jovens_kids { background-color: var(--cat-jovens-kids-bg); color: var(--cat-jovens-kids); }
.badge-seniores { background-color: var(--cat-seniores-bg); color: var(--cat-seniores); }
.badge-especiais_musica { background-color: var(--cat-especiais-bg); color: var(--cat-especiais); }
.badge-feriado { background-color: var(--cat-feriado-bg); color: var(--cat-feriado); }
.badge-geral { background-color: var(--cat-geral-bg); color: var(--cat-geral); }

.mobile-event-notes {
  font-size: 0.6875rem;
  color: var(--text-muted);
  background: var(--bg-surface);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.mobile-event-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.35;
}

.mobile-arrow {
  color: var(--text-light);
  display: flex;
  align-items: center;
}

.mobile-empty-msg {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ==========================================================================
   RESPONSIVE SWITCHER LOGIC
   ========================================================================== */
@media (max-width: 767px) {
  .desktop-view-container {
    display: none;
  }
  .mobile-view-container {
    display: block;
  }
}

/* Force view overrides via body classes */
body.force-list .desktop-view-container {
  display: none !important;
}
body.force-list .mobile-view-container {
  display: block !important;
}
body.force-grid .desktop-view-container {
  display: block !important;
}
body.force-grid .mobile-view-container {
  display: none !important;
}

/* ==========================================================================
   MODAL POPUP
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 13, 20, 0.7);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  transition: opacity 0.2s ease;
}

.modal-overlay.hidden {
  display: none;
}

.modal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from {
    transform: scale(0.96) translateY(8px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
}

.modal-category {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.2rem 0.625rem;
  border-radius: 9999px;
  background-color: var(--accent-badge-bg);
  color: var(--accent-badge-text);
  border: 1px solid currentColor;
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.modal-close-btn:hover {
  color: var(--text-main);
  background-color: var(--border-color);
}

.modal-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--text-main);
  line-height: 1.25;
}

.modal-info-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.modal-info-row svg {
  flex-shrink: 0;
  color: var(--accent-primary);
}

.modal-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  display: flex;
  justify-content: flex-end;
}

.btn-gcal {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  min-height: 44px;
  padding: 0 1.125rem;
  background-color: var(--accent-primary);
  color: #0a0d14;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

[data-theme="light"] .btn-gcal {
  background-color: var(--brand-blue);
  color: #ffffff;
}

.btn-gcal:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* Footer */
.app-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 1rem 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 640px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-hint {
  font-size: 0.75rem;
  color: var(--text-light);
}

.hidden {
  display: none !important;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print Styles */
@media print {
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
  }

  .app-header,
  .month-carousel-nav,
  .app-footer,
  .modal-overlay,
  .view-mode-selector {
    display: none !important;
  }

  .calendar-slider-viewport {
    overflow: visible !important;
    border: none !important;
    box-shadow: none !important;
  }

  .calendar-slider-track {
    display: block !important;
  }

  .month-slide {
    break-inside: avoid;
    page-break-inside: avoid;
    margin-bottom: 2rem !important;
    border: 1px solid #999999 !important;
    padding: 1rem !important;
  }

  .desktop-view-container {
    display: block !important;
  }

  .mobile-view-container {
    display: none !important;
  }

  .day-cell {
    border: 1px solid #cccccc !important;
    min-height: 80px !important;
  }
}