/* ─────────────────────────────────────────────
   App shell: flexible sidebar + main area
   ───────────────────────────────────────────── */
.layout.is-authenticated { min-height: 100vh; }

.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ══ Sidebar ══════════════════════════════════ */
.sidebar,
.admin-sidebar {
  width: 240px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-right: 1px solid var(--border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Brand */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 16px 16px 14px;
  border-bottom: 1px solid var(--divider);
  flex-shrink: 0;
}
.sidebar-brand__dot {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  flex-shrink: 0;
}
.sidebar-brand__name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* Legacy admin-brand support */
.admin-brand {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  padding: 16px 16px 14px;
  border-bottom: 1px solid var(--divider);
  flex-shrink: 0;
}

/* Sidebar nav container — always a single vertical column */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 8px 0 20px;
}

/* Sidebar sections (direct links, no group) */
.sidebar-section {
  padding: 4px 0;
}

/* Top-level direct links */
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px 7px 16px;
  margin: 1px 8px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  transition:
    background-color var(--t-fast) var(--ease-standard),
    color var(--t-fast) var(--ease-standard);
}
.sidebar-link__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
}
.sidebar-link:hover {
  background: var(--surface-alt);
  color: var(--text);
  text-decoration: none;
}
.sidebar-link.is-active {
  background: var(--surface-alt);
  color: var(--accent);
  font-weight: 600;
}
.sidebar-link.is-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  border-radius: 0 2px 2px 0;
  background: var(--accent);
}

/* Collapsible group */
.sidebar-group {
  display: flex;
  flex-direction: column;
}
.sidebar-group + .sidebar-group {
  border-top: 1px solid var(--divider);
  margin-top: 2px;
  padding-top: 2px;
}

/* Group toggle button */
.sidebar-group__toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: transparent;
  border: none;
  height: auto !important;
  min-height: unset !important;
  padding: 8px 10px 8px 16px;
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.2;
  box-shadow: none;
  border-radius: 0;
  transition: color var(--t-fast) var(--ease-standard);
}
.sidebar-group__toggle:hover {
  color: var(--text);
  background: transparent;
  transform: none;
  box-shadow: none;
}
.sidebar-group__toggle:active { transform: none; }

.sidebar-group__icon {
  width: 14px;
  height: 14px;
  opacity: 0.55;
  flex-shrink: 0;
}
.sidebar-group__label {
  flex: 1;
}
.sidebar-group__chev {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  opacity: 0.5;
  transition: transform var(--t-med) var(--ease-standard);
}
.sidebar-group.is-open > .sidebar-group__toggle .sidebar-group__chev {
  transform: rotate(90deg);
}

/* Sub-navigation */
.sidebar-subnav {
  display: none;
  flex-direction: column;
  padding: 2px 0 6px;
}
.sidebar-group.is-open > .sidebar-subnav {
  display: flex;
}

/* Sub-links */
.sidebar-sublink {
  display: block;
  padding: 6px 12px 6px 32px;
  margin: 1px 8px;
  border-radius: var(--radius-sm);
  color: color-mix(in srgb, var(--text) 72%, var(--muted) 28%);
  font-size: 0.855rem;
  font-weight: 400;
  text-decoration: none;
  position: relative;
  transition:
    background-color var(--t-fast) var(--ease-standard),
    color var(--t-fast) var(--ease-standard);
}
.sidebar-sublink:hover {
  background: var(--surface-alt);
  color: var(--text);
  text-decoration: none;
}
.sidebar-sublink.is-active {
  background: var(--surface-alt);
  color: var(--accent);
  font-weight: 600;
}
.sidebar-sublink.is-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 16px;
  border-radius: 0 2px 2px 0;
  background: var(--accent);
}

/* ══ Main content wrapper ══════════════════════ */
.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ══ Topbar ════════════════════════════════════ */
.topbar,
.header {
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  flex-shrink: 0;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar-brand {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
.topbar-menu-btn {
  color: var(--muted);
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ══ User chip + dropdown ══════════════════════ */
.user-menu-wrap {
  position: relative;
}
.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px 5px 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.855rem;
  font-weight: 500;
  color: var(--text);
  height: auto;
  min-height: unset;
  transition:
    background-color var(--t-fast) var(--ease-standard),
    border-color var(--t-fast) var(--ease-standard);
}
.user-chip:hover {
  background: var(--surface-alt);
  border-color: var(--accent);
  transform: none;
  box-shadow: none;
}
.user-chip[aria-expanded="true"] {
  background: var(--surface-alt);
  border-color: var(--accent);
}
.user-chip__avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.user-chip__label {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-chip__chev {
  opacity: 0.55;
  transition: transform var(--t-med) var(--ease-standard);
}
.user-chip[aria-expanded="true"] .user-chip__chev {
  transform: rotate(180deg);
}

/* Dropdown */
.user-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 4px;
  z-index: 50;
  transform-origin: top right;
  transform: scale(0.96) translateY(-4px);
  opacity: 0;
  transition:
    transform var(--t-med) var(--ease-standard),
    opacity var(--t-med) var(--ease-standard);
  pointer-events: none;
}
.user-menu:not([hidden]) {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.user-menu__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  font-family: inherit;
  height: auto;
  min-height: unset;
  text-align: left;
  transition: background-color var(--t-fast) var(--ease-standard);
  box-shadow: none;
}
.user-menu__item:hover {
  background: var(--surface-2);
  color: var(--text);
  transform: none;
  box-shadow: none;
  border-color: transparent;
}
.user-menu__item--danger { color: var(--danger); }
.user-menu__item--danger:hover { background: color-mix(in srgb, var(--danger) 8%, var(--surface)); }
.user-menu__divider {
  height: 1px;
  background: var(--divider);
  margin: 3px 0;
}

/* ══ Content area ══════════════════════════════ */
.content { flex: 1; padding: var(--space-5); }
.container { width: min(100%, var(--container)); margin: 0 auto; }

/* ══ Page header (title row + actions) ═════════ */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.page-header h1,
.page-header h2 { font-weight: 700; margin: 0; }

/* ══ Cards ═════════════════════════════════════ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: var(--space-4);
}
.card-header, .card-body, .card-footer { padding: var(--space-4) var(--space-5); }
.card-header {
  border-bottom: 1px solid var(--divider);
  font-weight: 600;
}
.card-header h1,
.card-header h2 { margin-bottom: 2px; }
.card-footer { border-top: 1px solid var(--divider); }

/* ══ Footer ════════════════════════════════════ */
.footer {
  padding: var(--space-2) var(--space-5);
  color: var(--muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--divider);
  flex-shrink: 0;
}

/* ══ Guest / Login shell ═══════════════════════ */
.guest-main,
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  padding: 0;
  background: var(--bg);
}

/* Login panel: gradient left + card right */
.login-panel {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.login-aside {
  flex: 1;
  background: linear-gradient(150deg, #5B21B6 0%, #7C3AED 40%, #8B5CF6 70%, #A78BFA 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 56px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.login-aside::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(255,255,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 50%);
}
.login-aside > * { position: relative; z-index: 1; }
.login-aside h1 {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 14px;
  color: #fff;
}
.login-aside p {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.80);
  margin-bottom: 8px;
}
.login-aside small,
.login-aside .login-aside__small {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.60);
}
.login-aside-dots {
  display: flex;
  gap: 8px;
  margin-top: 40px;
}
.login-aside-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.30);
}
.login-aside-dots span:first-child {
  background: rgba(255,255,255,0.85);
  width: 24px;
  border-radius: 4px;
}

.login-card-wrap {
  width: 440px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 32px;
  background: var(--surface);
  border-left: 1px solid var(--border);
}
.login-form-card {
  width: 100%;
  max-width: 360px;
}
.login-form-card h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 4px;
}
.login-submit-btn {
  width: 100%;
  justify-content: center;
  height: 42px;
  font-size: 0.95rem;
  margin-top: 8px;
}

/* ══ Brand text in topbar (legacy) ════════════ */
.brand {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ══ Mobile responsive ═════════════════════════ */
@media (max-width: 980px) {
  .app-shell { display: block; }
  .sidebar,
  .admin-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 260px;
    transform: translateX(-100%);
    transition: transform var(--t-med) var(--ease-standard);
    z-index: 40;
    box-shadow: var(--shadow-md);
  }
  .sidebar.is-open,
  .admin-sidebar.is-open { transform: translateX(0); }

  .content { padding: var(--space-3); }

  .login-panel { flex-direction: column; }
  .login-aside { display: none; }
  .login-card-wrap {
    width: 100%;
    min-height: 100vh;
    border-left: none;
    padding: 40px 24px;
  }
}