/* ============================================
  almanach365 - Calendrier français
   Styles Material Design inspirés
   ============================================ */

/* ---------- Variables ---------- */
:root {
  --primary: #1565C0;
  --primary-light: #1E88E5;
  --primary-dark: #0D47A1;
  --accent: #FF6F00;
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --text: #212121;
  --text-secondary: #757575;
  --border: #E0E0E0;
  --samedi-bg: #e8e8ff;
  --dimanche-bg: #88bbff;
  --ferie-bg: #ffaaaa;
  --ferie-text: #ffffff;
  --today-bg: #ff4040;
  --today-border: #ff6666;
  --vacances-a: #e8f5e9;
  --vacances-b: #fffde7;
  --vacances-c: #ffebee;
  --vacances-a-text: #00c000;
  --vacances-b-text: #ffff00;
  --vacances-c-text: #ff0000;
  --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  --radius: 4px;
  --font: 'Roboto', 'Segoe UI', Arial, sans-serif;

  /* Calendar table colors (light) */
  --cal-bg: #ffffff;
  --cal-bg-even: #f8f8f8;
  --cal-border: #e8e8e8;
  --cal-header-from: #f8f8f8;
  --cal-header-to: #d8d8d8;
  --cal-header-border: #c0c0c0;
  --cal-header-text: #202020;
  --cal-header-shadow: #ffffff;
  --cal-text: #505a78;
  --cal-sn-text: #333;
  --cal-sl-text: #555;
  --cal-sw-text: #000000;
  --cal-empty: #f0f0f0;
  --cal-sep-border: #c0c0c0;
}

/* ---------- Dark Theme ---------- */
[data-theme="dark"] {
  --bg: #121212;
  --surface: #1e1e1e;
  --text: #e0e0e0;
  --text-secondary: #9e9e9e;
  --border: #333333;
  --primary: #42a5f5;
  --primary-light: #64b5f6;
  --primary-dark: #1565C0;
  --shadow-1: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.5);
  --shadow-2: 0 3px 6px rgba(0,0,0,0.5), 0 3px 6px rgba(0,0,0,0.5);

  --samedi-bg: #2a2a50;
  --dimanche-bg: #1a3a6a;
  --ferie-bg: #6a203f;
  --ferie-text: #ff45f6;
  --today-bg: #cc3030;
  --today-border: #ff5555;

  --cal-bg: #1e1e1e;
  --cal-bg-even: #252525;
  --cal-border: #333333;
  --cal-header-from: #2a2a2a;
  --cal-header-to: #1a1a1a;
  --cal-header-border: #444444;
  --cal-header-text: #d0d0d0;
  --cal-header-shadow: transparent;
  --cal-text: #b0b8cc;
  --cal-sn-text: #d0d0d0;
  --cal-sl-text: #b0b0b0;
  --cal-sw-text: #e0e0e0;
  --cal-empty: #181818;
  --cal-sep-border: #444444;
}

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

html {
  scroll-behavior: smooth;
  font-size: 14px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ---------- Header ---------- */
.app-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-2);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-logo h1 {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.app-logo h1 span {
  font-weight: 300;
  opacity: 0.85;
}

#current-datetime {
  font-size: 0.95rem;
  font-weight: 700;
  background: rgba(255,255,255,0.2);
  padding: 1ch;
  border-radius: 6px;
}

#calendar-title {
  font-size: 1.3rem;
  font-weight: 500;
  opacity: 0.95;
  letter-spacing: 0.5px;
}

/* ---------- Theme Toggle ---------- */
.theme-toggle-btn {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  background: rgba(255,255,255,0.3);
}

/* ---------- Controls Bar (removed) ---------- */

/* ---------- Month Navigation (removed) ---------- */

/* ---------- Zone Info ---------- */
.zone-info {
  max-width: 1200px;
  margin: 16px auto;
  padding: 0 16px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.zone-card {
  flex: 1;
  min-width: 250px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow-1);
  border-left: 4px solid;
  cursor: pointer;
  user-select: none;
  transition: opacity 0.2s, box-shadow 0.2s;
}

.zone-card:hover {
  box-shadow: var(--shadow-2);
}

.zone-card.zone-active {
  opacity: 1;
}

.zone-card.zone-inactive {
  opacity: 0.4;
}

.zone-card-a { border-left-color: var(--vacances-a-text); }
.zone-card-b { border-left-color: var(--vacances-b-text); }
.zone-card-c { border-left-color: var(--vacances-c-text); }

.zone-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.zone-card p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ---------- Calendar Container ---------- */
#calendar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 8px 4px;
}

/* ---------- Year Navigation ---------- */
.year-nav {
  max-width: 1200px;
  margin: 0 auto 12px;
  padding: 0 8px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.year-nav-btn {
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-1);
}

.year-nav-btn:hover:not(:disabled) {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-2);
}

.year-nav-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

/* ---------- Semester Layout ---------- */
.semester-wrapper {
  margin: 0 auto 8px;
  overflow-x: auto;
}

.semester-table {
  border-collapse: separate;
  border-spacing: 0;
  background: var(--cal-bg);
  font-family: Verdana, Geneva, sans-serif;
  font-size: 10px;
  line-height: 12px;
  width: 100%;
  box-shadow: var(--shadow-1);
  table-layout: fixed;
}

.sem-month-header {
  background: linear-gradient(var(--cal-header-from), var(--cal-header-to));
  color: var(--cal-header-text);
  font-weight: 700;
  font-size: 12px;
  text-align: center;
  padding: 6px 2px;
  border: 1px solid var(--cal-header-border);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 1px 1px 1px var(--cal-header-shadow);
}

.semester-table tbody tr {
  border-bottom: 1px solid var(--cal-border);
}

.semester-table tbody tr:nth-child(even) {
  background-color: var(--cal-bg-even);
}

.semester-table td {
  white-space: nowrap;
  vertical-align: middle;
  font-family: Verdana, Geneva, sans-serif;
  font-size: 10px;
  line-height: 1.4;
  border-bottom: 1px solid var(--cal-border);
  color: var(--cal-text);
}

/* Day number */
.sn {
  text-align: right;
  font-weight: 600;
  width: 2ch;
  min-width: 2ch;
  max-width: 3ch;
  padding: 1px 3px 1px 1px;
  color: var(--cal-sn-text);
}

/* Day letter */
.sl {
  text-align: left;
  font-weight: 500;
  width: 1ch;
  min-width: 1ch;
  max-width: 3ch;
  padding: 1px 1ch;
  color: var(--cal-sl-text);
}

/* Vacation indicator: border-left on .sn set inline by JS */

/* Saint / holiday name */
.ss {
  padding-left: 2px;
  width: auto;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Week number */
.sw {
  text-align: right;
  font-size: 10px;
  font-weight: 700;
  color: var(--cal-sw-text);
  width: 16px;
  min-width: 16px;
  max-width: 16px;
  padding-right: 2px;
}

/* Month separator border */
.sem-bl {
  border-left: 2px solid var(--cal-sep-border);
}

/* Empty cells (months < 31 days) */
.sem-empty {
  background: var(--cal-empty);
}

/* ---------- Day Type Styles ---------- */

/* Saturdays */
.is-samedi {
  background-color: var(--samedi-bg);
}

/* Sundays */
.is-dimanche {
  background-color: var(--dimanche-bg);
  color: #ffffff;
}
.is-dimanche.sn,
.is-dimanche.sl {
  color: #ffffff;
  font-weight: 700;
}
.is-dimanche.ss {
  color: #ffffff;
  font-weight: 600;
}

/* Special dates (Mardi-Gras, Rameaux, etc.) */
.is-special.ss {
  color: #bf46af;
  font-weight: 600;
  font-style: italic;
}

/* Holidays (jours fériés) */
.is-ferie {
  background-color: var(--ferie-bg);
  color: var(--ferie-text);
}
.is-ferie.ss {
  color: var(--ferie-text);
  /* font-weight: 700; */
  /* text-transform: uppercase; */
  font-size: 10px;
}
.is-ferie.sn,
.is-ferie.sl {
  color: var(--ferie-text);
  font-weight: 700;
}

/* Today */
.is-today {
  background-color: var(--today-bg) !important;
  color: #ffffff !important;
  box-shadow: inset 0 0 0 1px var(--today-border);
}
.is-today.sn,
.is-today.sl,
.is-today.ss,
.is-today.sw {
  color: #ffffff !important;
}

/* ---------- Vacation Zone Bar Cell ---------- */
.sz {
  min-width: 2px;
  padding: 0 !important;
  border-bottom: 1px solid var(--cal-border);
  vertical-align: middle;
}

.sz.sem-bl {
  min-width: 4px;
  overflow: hidden;
}

/* ---------- Date Range Selection ---------- */
/* Selected cells keep their original background; add a blue tinted overlay + bottom highlight */
.is-selected {
  background-image: linear-gradient(rgba(21,101,192,0.12), rgba(21,101,192,0.12)) !important;
  border-bottom: 2px solid #1565C0 !important;
}
.is-selected.sn {
  box-shadow: inset 3px 0 0 #1565C0;
}

/* Endpoints: stronger blue overlay + bold border */
.is-selection-endpoint {
  background-image: linear-gradient(rgba(21,101,192,0.30), rgba(21,101,192,0.30)) !important;
  border-bottom: 2px solid #0D47A1 !important;
}
.is-selection-endpoint.sn {
  box-shadow: inset 3px 0 0 #0D47A1;
}

/* Clickable day rows */
.semester-table tbody tr td.sn,
.semester-table tbody tr td.sl,
.semester-table tbody tr td.ss {
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}
.semester-table tbody tr td.sn:hover,
.semester-table tbody tr td.sl:hover,
.semester-table tbody tr td.ss:hover {
  filter: brightness(0.92);
}

/* ---------- Selection Info Bar ---------- */
.selection-bar {
  max-width: 1200px;
  margin: 0 auto 8px;
  padding: 0 8px;
}

.selection-bar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  font-size: 0.9rem;
  font-weight: 500;
}

.selection-clear-btn {
  background: rgba(255,255,255,0.2);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius);
  padding: 4px 12px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
}

.selection-clear-btn:hover {
  background: rgba(255,255,255,0.35);
}

/* ---------- Footer ---------- */
.app-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  text-align: center;
  padding: 16px;
  font-size: 0.8rem;
}

.app-footer a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
}

.app-footer a:hover {
  text-decoration: underline;
}

/* ---------- Legend ---------- */
.legend {
  max-width: 1200px;
  margin: 16px auto;
  padding: 0 8px;
}

.legend-content {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  background: var(--surface);
  padding: 12px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
}

.legend-color {
  width: 20px;
  height: 14px;
  border-radius: 2px;
  border: 1px solid var(--border);
}

/* ---------- Responsive ---------- */
@media (min-width: 870px) {
  .sl {
    padding-right: 1ch;
  }
}

@media (max-width: 900px) {
  .header-top {
    padding: 10px 12px;
    flex-direction: column;
    text-align: center;
  }

  #calendar-container {
    padding: 0 4px 12px;
  }

  .zone-info {
    padding: 0 8px;
  }

  .semester-table {
    font-size: 10px;
    table-layout: auto;
  }

  .sem-month-header {
    font-size: 10px;
    padding: 4px 1px;
  }

  .ss {
    max-width: 80px;
  }
}

@media (max-width: 600px) {
  .semester-table {
    font-size: 9px;
  }

  .sem-month-header {
    font-size: 9px;
    letter-spacing: 0;
  }

  .sn { width: 14px; }
  .sl { width: 11px; }
  .sw { width: 12px; font-size: 8px; }

  .zone-card {
    min-width: 100%;
  }

  .legend-content {
    flex-direction: column;
    gap: 8px;
  }
}

/* ---------- Print Styles ---------- */
@media print {
  .app-header {
    position: relative;
    box-shadow: none;
  }

  .controls-bar,
  .app-footer,
  .year-nav {
    display: none;
  }

  .semester-table {
    box-shadow: none;
    font-size: 10px;
  }

  .semester-wrapper {
    page-break-inside: avoid;
    margin-bottom: 12px;
  }

  #calendar-container {
    max-width: 100%;
  }
}