/* ============================================================
   layout.css — sidebar, topbar, wrapper, page header (warm light)
   ============================================================ */

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

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: linear-gradient(185deg, #0A271E 0%, #06201A 100%);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 1040;
  border-right: 1px solid var(--sidebar-border);
  transition: width var(--transition-base), min-width var(--transition-base), transform var(--transition-base);
}
/* faint warm glow inside the sidebar */
.sidebar::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 220px;
  background: radial-gradient(120% 100% at 0% 0%, rgba(201,168,106,0.16), transparent 70%);
  pointer-events: none;
}

.sidebar-header {
  height: var(--topbar-height);
  min-height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid var(--sidebar-border);
  position: relative;
}

.sidebar-logo-link {
  display: flex; align-items: center; gap: 11px; overflow: hidden;
  transition: transform var(--transition-fast);
}
.sidebar-logo-link:active { transform: scale(0.97); }

/* SOPH Technologies wordmark in the sidebar header */
.sidebar-logo-img {
  height: 42px;
  width: auto;
  max-width: 190px;
  display: block;
  border-radius: 9px;
  object-fit: contain;
}

.brand-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem;
  background: var(--gradient-brand-2);
  color: #2A1E08;
  box-shadow: 0 6px 16px -4px rgba(120,90,34,0.6), inset 0 1px 0 rgba(255,255,255,0.45);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
@media (hover: hover) and (pointer: fine) {
  .sidebar-logo-link:hover .brand-mark {
    transform: rotate(-5deg) scale(1.05);
    box-shadow: 0 8px 22px -4px rgba(120,90,34,0.78), inset 0 1px 0 rgba(255,255,255,0.5);
  }
}

.sidebar-app-name {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: opacity var(--transition-base);
}

.sidebar-toggle {
  background: transparent; border: none;
  color: var(--text-muted);
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1rem; flex-shrink: 0;
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}
.sidebar-toggle:hover { background: var(--sidebar-hover); color: var(--text-primary); }
.sidebar-toggle:active { transform: scale(0.92); }

.sidebar-nav { flex: 1 1 auto; overflow-y: auto; overflow-x: hidden; padding: 16px 14px 20px; position: relative; }

.sidebar-section-label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin: 18px 0 6px;
  padding-left: 12px;
  white-space: nowrap;
  transition: opacity var(--transition-base);
}
.sidebar-section-label:first-child { margin-top: 2px; }

.sidebar-nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--text-sidebar);
  font-size: 0.9375rem; font-weight: 500;
  white-space: nowrap; position: relative;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.sidebar-nav-link + .sidebar-nav-link { margin-top: 3px; }
.sidebar-nav-link:hover { background: var(--sidebar-hover); color: var(--text-sidebar-active); }
.sidebar-nav-link.active {
  background: var(--sidebar-active);
  color: var(--text-sidebar-active);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(201,168,106,0.38);
}
.sidebar-nav-link.active::before {
  content: '';
  position: absolute;
  left: -14px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 22px;
  border-radius: 0 3px 3px 0;
  background: var(--gradient-brand);
  box-shadow: 0 0 12px var(--brand-glow);
}
.sidebar-nav-link.active .nav-icon { color: var(--brand-primary); }

.nav-icon {
  width: 22px; font-size: 1.15rem;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--text-muted);
  transition: transform var(--transition-fast), color var(--transition-fast);
}
.sidebar-nav-link:hover .nav-icon { color: var(--text-primary); transform: translateX(1px); }
.nav-label { transition: opacity var(--transition-base); }

/* Sidebar footer / user card */
.sidebar-footer {
  border-top: 1px solid var(--sidebar-border);
  padding: 12px;
  display: flex; align-items: center; gap: 10px;
  min-height: 72px;
}
.sidebar-user-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--gradient-ink);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8125rem; flex-shrink: 0;
  box-shadow: 0 4px 12px -3px rgba(30,27,46,0.4);
}
.sidebar-user-info { flex: 1 1 auto; min-width: 0; overflow: hidden; transition: opacity var(--transition-base); }
.sidebar-user-name { color: var(--text-primary); font-size: 0.875rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-email { color: var(--text-muted); font-size: 0.75rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-logout {
  background: transparent; border: none;
  color: var(--text-muted);
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0;
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}
.sidebar-logout:hover { background: var(--soft-danger); color: var(--status-danger); }
.sidebar-logout:active { transform: scale(0.92); }

/* ---------- Collapsed sidebar ---------- */
.sidebar.collapsed { width: var(--sidebar-collapsed); min-width: var(--sidebar-collapsed); }
.sidebar.collapsed .sidebar-app-name,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .sidebar-section-label,
.sidebar.collapsed .sidebar-user-info { opacity: 0; width: 0; pointer-events: none; }
.sidebar.collapsed .sidebar-header { justify-content: center; padding: 0; }
.sidebar.collapsed .sidebar-logo-link { display: none; }
.sidebar.collapsed .sidebar-toggle i { transform: rotate(180deg); }
.sidebar.collapsed .sidebar-nav-link { justify-content: center; }
.sidebar.collapsed .sidebar-footer { justify-content: center; }
.sidebar.collapsed .sidebar-logout { display: none; }

/* ---------- Main wrapper ---------- */
.main-wrapper {
  flex: 1 1 auto; min-width: 0;
  margin-left: var(--sidebar-width);
  display: flex; flex-direction: column;
  transition: margin-left var(--transition-base);
}
.sidebar.collapsed ~ .main-wrapper { margin-left: var(--sidebar-collapsed); }

/* ---------- Topbar (light glass) ---------- */
.topbar {
  height: var(--topbar-height);
  min-height: var(--topbar-height);
  background: #07211A;
  border-bottom: 1px solid var(--sidebar-border);
  position: sticky; top: 0; z-index: 1030;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--content-padding); gap: 16px;
}
.topbar-left { display: flex; align-items: center; gap: 14px; min-width: 0; }
.topbar-toggle {
  display: none; background: transparent; border: none;
  color: var(--text-secondary); font-size: 1.3rem;
  width: 38px; height: 38px; border-radius: var(--radius-sm); cursor: pointer;
}
.topbar-toggle:hover { background: var(--surface-hover); }
.topbar-title { font-size: 1.0625rem; font-weight: 700; color: var(--text-primary); white-space: nowrap; letter-spacing: -0.02em; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.topbar-icon-btn {
  position: relative; background: transparent; border: none;
  color: var(--text-secondary);
  width: 40px; height: 40px; border-radius: var(--radius-md);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.15rem; cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}
.topbar-icon-btn:hover { background: var(--surface-hover); color: var(--text-primary); }
.topbar-icon-btn:active { transform: scale(0.92); }
.topbar-icon-btn .topbar-badge {
  position: absolute; top: 8px; right: 9px;
  width: 8px; height: 8px; border-radius: var(--radius-full);
  background: var(--status-danger);
  border: 2px solid var(--content-bg); padding: 0;
  box-shadow: 0 0 0 0 rgba(216,67,58,0.5);
  animation: badgePulse 2.4s var(--ease-out) infinite;
}
@keyframes badgePulse {
  0% { box-shadow: 0 0 0 0 rgba(216,67,58,0.45); }
  60% { box-shadow: 0 0 0 7px rgba(216,67,58,0); }
  100% { box-shadow: 0 0 0 0 rgba(216,67,58,0); }
}
.topbar-divider { width: 1px; height: 26px; background: var(--border); margin: 0 4px; }
.topbar-user {
  display: flex; align-items: center; gap: 9px;
  padding: 5px 10px 5px 5px;
  border-radius: var(--radius-full);
  cursor: pointer; background: transparent; border: 1px solid transparent;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}
.topbar-user:hover { background: var(--surface-hover); border-color: var(--border); }
.topbar-user:active { transform: scale(0.97); }
.topbar-user-name { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }

/* ---------- Content ---------- */
.content-area {
  flex: 1 1 auto;
  padding: var(--content-padding);
  min-width: 0; width: 100%;
  max-width: 1520px; margin: 0 auto;
}

/* ---------- Page header (decorated gradient masthead) ---------- */
.page-header {
  position: relative; overflow: hidden;
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px 24px; margin-bottom: 28px; padding: 26px 30px; flex-wrap: wrap;
  border-radius: var(--radius-xl);
  background: var(--gradient-cream);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow), var(--sheen-top), var(--ring-gold);
}
/* brass top edge + brass/emerald corner glows */
.page-header::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background:
    linear-gradient(90deg, transparent, rgba(176,137,74,0.9), transparent) top left / 100% 2.5px no-repeat,
    radial-gradient(540px 280px at 100% -55%, rgba(201,168,106,0.22), transparent 60%),
    radial-gradient(440px 300px at -6% 150%, rgba(30,143,94,0.14), transparent 60%);
}
.page-header > * { position: relative; z-index: 1; }
.page-header__left { min-width: 0; }
.page-title {
  font-family: var(--font-display);
  font-size: 2.1rem; font-weight: 600;
  color: var(--text-primary); line-height: 1.05; letter-spacing: -0.025em;
}
.page-subtitle { font-size: 0.9375rem; color: var(--text-secondary); margin-top: 8px; max-width: 62ch; }
.breadcrumb-nav {
  font-size: 0.6875rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-muted); margin-bottom: 12px;
  display: flex; align-items: center; gap: 7px;
}
.breadcrumb-nav a { color: var(--text-muted); font-weight: 700; transition: color var(--transition-fast); }
.breadcrumb-nav a:hover { color: var(--brand-primary-700); }
.breadcrumb-nav .sep { color: var(--text-faint); }
.breadcrumb-nav span { color: var(--brand-primary-700); font-weight: 700; }
.page-header__right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ---------- Flash toast ---------- */
.flash-toast {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 16px; border-radius: var(--radius-md);
  font-size: 0.875rem; font-weight: 500; margin-bottom: 20px;
  border: 1px solid transparent;
  animation: flashIn 320ms var(--ease-out) both;
}
.flash-toast--success { background: var(--soft-success); color: var(--on-success); border-color: rgba(30,158,106,0.28); }
.flash-toast--error   { background: var(--soft-danger);  color: var(--on-danger);  border-color: rgba(216,67,58,0.28); }
.flash-toast i { font-size: 1.1rem; }
@keyframes flashIn { from { opacity: 0; transform: translateY(-8px); } }

/* ---------- Mobile drawer / overlay ---------- */
.sidebar-overlay {
  position: fixed; inset: 0;
  background: rgba(30,25,15,0.4);
  backdrop-filter: blur(2px);
  z-index: 1035; opacity: 0; visibility: hidden;
  transition: opacity var(--transition-base);
}
.sidebar-overlay.show { opacity: 1; visibility: visible; }

@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); box-shadow: 8px 0 40px rgba(38,30,15,0.18); }
  .sidebar.mobile-open { transform: translateX(0); }
  .main-wrapper, .sidebar.collapsed ~ .main-wrapper { margin-left: 0; }
  .topbar-toggle { display: inline-flex; }
}
@media (max-width: 575.98px) {
  :root { --content-padding: 18px; }
  .topbar-user-name { display: none; }
  .page-title { font-size: 1.6rem; }
}

/* ---------- Emerald frame: light text on the dark sidebar + topbar ---------- */
.sidebar-app-name,
.topbar-title,
.topbar-user-name { color: var(--text-sidebar-active); }
.sidebar-user-name { color: #EDEFE2; }
.sidebar-user-email,
.nav-icon,
.sidebar-toggle,
.sidebar-logout,
.topbar-toggle,
.topbar-icon-btn { color: rgba(226,229,214,0.62); }
.sidebar-toggle:hover,
.topbar-toggle:hover,
.topbar-icon-btn:hover { background: var(--sidebar-hover); color: var(--text-sidebar-active); }
.topbar-user:hover { background: var(--sidebar-hover); border-color: var(--sidebar-border); }
.sidebar-nav-link:hover .nav-icon { color: var(--text-sidebar-active); }
.sidebar-nav-link.active .nav-icon { color: #DCC38C; }
.topbar-divider { background: var(--sidebar-border); }
.sidebar-user-avatar { background: var(--gradient-brand); color: #22271F; }
.sidebar-overlay { background: rgba(4,18,12,0.55); }