/* ================================================================
   layout.css — App shell, sidebar, header  (calqué sur le prototype)
   ================================================================ */

/* ── App shell ─────────────────────────────────────────────── */
.app {
  display: grid;
  min-height: 100vh;
  background: var(--bg);
}

/* Mobile-first: sidebar cachée */
:root { --sidebar-mobile-w: min(80vw, 280px); }
.app__sidebar {
  position: fixed; left: 0; top: 0;
  width: var(--sidebar-mobile-w); height: 100vh;
  transform: translateX(-110%);
  transition: transform .22s ease;
  z-index: var(--z-sidebar);
  overflow-y: auto;
}
.app__header { position: sticky; top: 0; z-index: var(--z-header); }
.app__main   { min-height: calc(100vh - var(--header-h)); padding: 22px 24px 48px; }

/* Desktop: grille fixe */
@media (min-width: 981px) {
  .app {
    grid-template-columns: var(--sidebar-w) 1fr;
    grid-template-rows: var(--header-h) 1fr;
    grid-template-areas:
      "sidebar header"
      "sidebar main";
  }
  .app__sidebar {
    grid-area: sidebar;
    position: sticky; top: 0;
    width: auto; height: 100vh;
    transform: none;
    overflow-y: auto;
  }
  .app__header { grid-area: header; }
  .app__main   { grid-area: main;   }

  /* Sidebar collapse */
  .app.is-sidebar-collapsed { grid-template-columns: 64px 1fr; }
  .app.is-sidebar-collapsed .sidebar__brandText,
  .app.is-sidebar-collapsed .sidebar__label,
  .app.is-sidebar-collapsed .sidebar__section { display: none; }
  .app.is-sidebar-collapsed .sidebar__link { justify-content: center; padding: 8px 6px; }
  .app.is-sidebar-collapsed .sidebar__link:hover::after {
    content: attr(data-tooltip);
    position: absolute; left: calc(100% + 8px); top: 50%;
    transform: translateY(-50%);
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 8px; padding: 6px 10px;
    font-size: 12px; font-weight: 600; white-space: nowrap;
    box-shadow: var(--shadow); pointer-events: none;
    opacity: 1; z-index: 50;
  }
  .app.is-sidebar-collapsed .sidebar__link { position: relative; }
  .sidebarToggle { display: inline-flex; }
  [data-sidebar-close] { display: none !important; }
}

/* Sidebar slide-in mobile */
.app.is-sidebar-open .app__sidebar { transform: translateX(0); box-shadow: var(--shadow); }
.app.is-sidebar-open .overlay {
  display: block; position: fixed;
  inset: 0; background: rgba(0,0,0,.5);
  z-index: calc(var(--z-sidebar) - 1); pointer-events: auto;
}
.overlay { display: none; pointer-events: none; }

@media (max-width: 980px) {
  .app__main { padding: 18px 16px 48px; }
  .sidebarToggle { display: none; }
}
@media (max-width: 560px) {
  .app__main { padding: 14px 12px 48px; }
}

/* ── SIDEBAR ───────────────────────────────────────────────── */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  height: 100%;
  transition: background .3s, border-color .3s;
}

/* Brand/Logo */
.sidebar__brand {
  padding: 18px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.sidebar__logo {
  width: 38px; height: 38px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
  box-shadow: 0 4px 12px rgba(99,102,241,.35);
}
.sidebar__brandTitle  { font-size: 15px; font-weight: 800; }
.sidebar__brandSubtitle { font-size: 11px; color: var(--muted); }

/* Collapse toggle */
.sidebarToggle {
  display: none;
  align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border-radius: 7px; border: 1px solid var(--border);
  background: transparent; color: var(--muted);
  cursor: pointer; margin-left: auto; flex-shrink: 0;
  transition: background .15s;
}
.sidebarToggle:hover { background: var(--surface-2); color: var(--text); }
.sidebarToggle__icon { font-size: 12px; }
.app.is-sidebar-collapsed .sidebarToggle__icon { transform: rotate(180deg); }

/* Nav */
.sidebar__nav {
  flex: 1;
  padding: 10px 8px;
  overflow-y: auto;
  display: flex; flex-direction: column;
}

.sidebar__section {
  font-size: 10px; font-weight: 700;
  color: var(--muted); letter-spacing: .09em;
  text-transform: uppercase;
  padding: 12px 10px 5px;
}

.sidebar__link {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 9px;
  font-size: 13.5px; color: var(--muted);
  text-decoration: none; cursor: pointer;
  background: transparent; border: 0; width: 100%; text-align: left;
  transition: background .15s, color .15s;
  margin-bottom: 1px; user-select: none;
  min-height: 36px;
}
.sidebar__link:hover {
  background: var(--surface-2);
  color: var(--text);
}
.sidebar__link[aria-current="page"] {
  background: rgba(99,102,241,.14);
  color: var(--primary);
  font-weight: 700;
}
.sidebar__icon {
  font-size: 15px; width: 20px;
  text-align: center; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
}
.sidebar__label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Sidebar: MODE D'AFFICHAGE ─────────────────────────────── */
.sidebar__displayMode {
  padding: 4px 8px 14px;
}

.sidebar__modeLabel {
  font-size: 10px; font-weight: 700;
  color: var(--muted); letter-spacing: .09em;
  text-transform: uppercase;
  padding: 0 2px; margin-bottom: 7px;
}

.sidebar__modeBtns {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 3px;
  display: flex; gap: 2px; margin-bottom: 8px;
}

.sidebar__modeBtn {
  flex: 1; padding: 7px 4px; border-radius: 8px; border: none;
  background: transparent; color: var(--muted);
  font-size: 12px; font-weight: 700; cursor: pointer;
  transition: background .2s, color .2s;
  text-align: center; line-height: 1;
}
.sidebar__modeBtn[aria-pressed="true"] {
  background: var(--primary);
  color: #fff;
}
.sidebar__modeBtn[aria-pressed="false"]:hover {
  background: var(--border);
  color: var(--text);
}

.sidebar__themeRow {
  display: flex; align-items: center; gap: 9px;
  padding: 6px 6px; border-radius: 9px; cursor: pointer;
  font-size: 12px; color: var(--muted);
  background: transparent; border: none; width: 100%;
  transition: background .15s;
}
.sidebar__themeRow:hover { background: var(--surface-2); }
.sidebar__themeIcon { font-size: 14px; flex-shrink: 0; }
.sidebar__themeLabel { flex: 1; text-align: left; font-weight: 600; }

/* Toggle switch */
.sidebar__tog {
  width: 38px; height: 21px;
  background: var(--surface-2); border: 1.5px solid var(--border);
  border-radius: 11px; position: relative; cursor: pointer;
  transition: background .2s, border-color .2s; flex-shrink: 0;
}
.sidebar__tog.is-on { background: var(--primary); border-color: var(--primary); }
.sidebar__tog__knob {
  width: 15px; height: 15px; background: #fff; border-radius: 50%;
  position: absolute; top: 1px; left: 2px;
  transition: left .2s; box-shadow: 0 1px 4px rgba(0,0,0,.3);
}
.sidebar__tog.is-on .sidebar__tog__knob { left: 19px; }

/* ── HEADER ────────────────────────────────────────────────── */
.header {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  transition: background .3s, border-color .3s;
}
.header__left  { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.header__right { display: flex; align-items: center; gap: 10px; }
.header__title {
  font-size: 15px; font-weight: 700;
  margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.header__userEmail {
  font-size: 12px; color: var(--muted);
  max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.header__avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: #fff; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(99,102,241,.35);
  cursor: pointer; user-select: none; text-decoration: none;
}

/* Burger mobile */
.burger {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); cursor: pointer; padding: 0;
  -webkit-tap-highlight-color: transparent;
}
.burger:hover { background: var(--border); }
.burger__icon { display: block; width: 16px; height: 2px; border-radius: 2px; background: currentColor; position: relative; }
.burger__icon::before, .burger__icon::after {
  content: ""; position: absolute; left: 0;
  width: 16px; height: 2px; border-radius: 2px; background: currentColor;
  transition: transform .15s, top .15s, opacity .15s;
}
.burger__icon::before { top: -5px; }
.burger__icon::after  { top:  5px; }
.app.is-sidebar-open .burger__icon { background: transparent; }
.app.is-sidebar-open .burger__icon::before { top: 0; transform: rotate(45deg); }
.app.is-sidebar-open .burger__icon::after  { top: 0; transform: rotate(-45deg); }
@media (min-width: 981px) { .burger { display: none; } }

/* ── Page layout ───────────────────────────────────────────── */
.page { display: flex; flex-direction: column; gap: 16px; }
.page__top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.page__actions { display: flex; gap: 8px; flex-wrap: wrap; }

.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.col-12 { grid-column: span 12; }
.col-8  { grid-column: span 8;  }
.col-6  { grid-column: span 6;  }
.col-4  { grid-column: span 4;  }
.col-3  { grid-column: span 3;  }
@media (max-width: 980px) {
  .col-8, .col-6, .col-4, .col-3 { grid-column: span 12; }
}

/* ── App footer ────────────────────────────────────────────── */
.app__footer {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 14px 24px; margin-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--muted);
}
.app__footer a { color: var(--muted); }
.app__footer a:hover { color: var(--primary); }