/* public/css/sidebar.css — Sidebar navigation layout + theming */

/* ── Design tokens ── */
:root {
  --sidebar-width: 220px;
  --sidebar-collapsed: 60px;
  --sidebar-bg: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-text-hover: #e2e8f0;
  --sidebar-active-bg: rgba(99, 133, 246, 0.15);
  --sidebar-active-text: #818cf8;
  --sidebar-border: #2d3a4f;
  --sidebar-icon-size: 1.1rem;
  --topbar-height: 48px;
  --topbar-bg: #ffffff;
  --topbar-border: rgba(0, 0, 0, 0.08);
}

[data-bs-theme="dark"] {
  --sidebar-bg: #0c1322;
  --sidebar-text: #64748b;
  --sidebar-text-hover: #cbd5e1;
  --sidebar-active-bg: rgba(99, 133, 246, 0.12);
  --sidebar-active-text: #a5b4fc;
  --sidebar-border: #1e293b;
  --topbar-bg: #1e293b;
  --topbar-border: #2d3a4f;
}

/* ── Sidebar ── */
.app-sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  z-index: 1050;
  display: flex; flex-direction: column;
  transition: width 0.2s ease;
  overflow: hidden;
}

/* Collapse state lives on <html> (set pre-paint by an inline script in
   header.php) so a collapsed sidebar renders collapsed on the very first
   frame instead of snapping shut after the footer JS runs. */
html.sidebar-collapsed .app-sidebar {
  width: var(--sidebar-collapsed);
}

/* ── Sidebar brand ── */
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--sidebar-border);
  min-height: var(--topbar-height);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-brand-text {
  font-weight: 700; font-size: 1rem;
  color: #fff; letter-spacing: 0.5px;
}

html.sidebar-collapsed .sidebar-brand-text { display: none; }

.sidebar-toggle {
  background: transparent; border: none;
  color: var(--sidebar-text); cursor: pointer;
  font-size: 1.2rem; padding: 4px;
  transition: color 0.15s;
  flex-shrink: 0;
}
.sidebar-toggle:hover { color: #fff; }

/* ── Sidebar nav links ── */
.sidebar-nav {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  padding: 8px 0;
  list-style: none; margin: 0;
}

.sidebar-nav-item {
  display: block;
}

.sidebar-nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.88rem; font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
  border-left: 3px solid transparent;
}

.sidebar-nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--sidebar-text-hover);
}

.sidebar-nav-link.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  border-left-color: var(--sidebar-active-text);
}

.sidebar-nav-icon {
  font-size: var(--sidebar-icon-size);
  width: 24px; text-align: center;
  flex-shrink: 0;
}

.sidebar-nav-label {
  overflow: hidden; text-overflow: ellipsis;
}

html.sidebar-collapsed .sidebar-nav-label { display: none; }
html.sidebar-collapsed .sidebar-nav-link { justify-content: center; padding: 9px 0; border-left: none; }
html.sidebar-collapsed .sidebar-nav-link.active { border-left: none; border-right: 3px solid var(--sidebar-active-text); }

/* Badge in nav */
.sidebar-badge {
  font-size: 0.65rem;
  padding: 2px 6px; border-radius: 10px;
  background: var(--bs-danger); color: #fff;
  margin-left: auto; flex-shrink: 0;
}
html.sidebar-collapsed .sidebar-badge { display: none; }

/* ── Sidebar section divider ── */
.sidebar-divider {
  border: none;
  border-top: 1px solid var(--sidebar-border);
  margin: 8px 16px;
}

.sidebar-section-label {
  padding: 8px 16px 4px;
  font-size: 0.65rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--sidebar-text);
  opacity: 0.6;
  white-space: nowrap;
}
html.sidebar-collapsed .sidebar-section-label { display: none; }

/* ── Sidebar footer (logout) ── */
.sidebar-footer {
  border-top: 1px solid var(--sidebar-border);
  padding: 8px 0;
}

/* ── Top bar ── */
.app-topbar {
  position: fixed;
  top: 0; right: 0;
  left: var(--sidebar-width);
  height: var(--topbar-height);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--topbar-border);
  z-index: 1040;
  display: flex; align-items: center;
  padding: 0 20px;
  gap: 12px;
  transition: left 0.2s ease;
}

html.sidebar-collapsed .app-topbar {
  left: var(--sidebar-collapsed);
}

.topbar-spacer { flex: 1; }

/* ── Search in topbar ── */
.topbar-search {
  position: relative; width: 280px;
}
.topbar-search .form-control {
  font-size: 0.85rem; height: 34px;
  border-radius: 20px; padding-left: 16px;
  background: var(--bs-tertiary-bg);
  border-color: var(--topbar-border);
}
.topbar-search .form-control:focus {
  background: var(--bs-body-bg);
}

/* ── Topbar actions ── */
.topbar-actions {
  display: flex; align-items: center; gap: 8px;
}

.topbar-btn {
  background: transparent; border: none;
  color: var(--bs-body-color); cursor: pointer;
  font-size: 1.1rem; padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.15s;
  position: relative;
}
.topbar-btn:hover { background: var(--bs-tertiary-bg); }

.topbar-user {
  font-size: 0.85rem; font-weight: 500;
  color: var(--bs-body-color);
  padding: 4px 8px;
}

/* ── Main content area ── */
.app-main {
  margin-left: var(--sidebar-width);
  margin-top: var(--topbar-height);
  padding: 24px;
  min-height: calc(100vh - var(--topbar-height));
  transition: margin-left 0.2s ease;
}

html.sidebar-collapsed .app-main {
  margin-left: var(--sidebar-collapsed);
}

/* ── Page title ── */
.app-main .page-title-row {
  margin-bottom: 20px;
}

/* ── Mobile ── */
@media (max-width: 991.98px) {
  .app-sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width) !important;
  }
  .app-sidebar.mobile-open {
    transform: translateX(0);
  }

  .app-topbar {
    left: 0 !important;
  }

  .app-main {
    margin-left: 0 !important;
  }

  .mobile-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1045;
    display: none;
  }
  .mobile-overlay.show { display: block; }

  .mobile-toggle {
    display: flex !important;
  }

  .topbar-search { width: 200px; }
}

@media (min-width: 992px) {
  .mobile-toggle { display: none !important; }
  .mobile-overlay { display: none !important; }
}

/* ── Footer inside main ── */
.app-footer {
  text-align: center;
  padding: 24px 0 16px;
  color: var(--bs-secondary-color);
  font-size: 0.8rem;
}
/* Logged-in pages have the fixed sidebar, so the footer shifts with it. */
.app-footer.with-sidebar {
  margin-left: var(--sidebar-width);
  transition: margin-left 0.2s ease;
}
html.sidebar-collapsed .app-footer.with-sidebar {
  margin-left: var(--sidebar-collapsed);
}
@media (max-width: 991.98px) {
  .app-footer.with-sidebar { margin-left: 0 !important; }
}
.app-footer hr {
  border-color: var(--bs-border-color);
  margin-bottom: 12px;
}