/* ============================================
   IcerelPanel — Layout
   Navbar, Sidebar, Footer, Dashboard Layout
   ============================================ */

/* --- Public Navbar (Landing) --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-100);
  height: var(--navbar-height);
}

.navbar-inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--navy-800);
}

.navbar-brand img,
.navbar-brand svg {
  height: 32px;
  width: auto;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar-link {
  padding: 8px 14px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--gray-600);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.navbar-link:hover,
.navbar-link.is-active {
  color: var(--blue-500);
  background: var(--blue-50);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  border-radius: var(--radius-md);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--navy-800);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform var(--transition-slow);
}

.sidebar-brand {
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  min-height: var(--navbar-height);
}

.sidebar-brand img,
.sidebar-brand svg {
  height: 28px;
  width: auto;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: var(--space-6);
}

.sidebar-section-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 var(--space-3);
  margin-bottom: var(--space-2);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px var(--space-3);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  margin-bottom: 2px;
}

.sidebar-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.sidebar-link.is-active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
}

.sidebar-footer {
  padding: var(--space-4) var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.sidebar-user:hover {
  background: rgba(255, 255, 255, 0.08);
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--blue-500);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-email {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.45);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- Dashboard Layout --- */
.dashboard-layout {
  display: flex;
  min-height: 100vh;
}

.dashboard-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
}

.dashboard-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-100);
  padding: 0 var(--space-8);
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.topbar-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--gray-600);
}

.topbar-toggle:hover {
  background: var(--gray-100);
}

.topbar-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--gray-900);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.dashboard-content {
  padding: var(--space-8);
  max-width: var(--content-max-width);
}

/* --- Footer --- */
.footer {
  background: var(--gray-900);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer-brand {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--white);
  margin-bottom: var(--space-3);
}

.footer-desc {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: rgba(255, 255, 255, 0.5);
}

.footer-heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--white);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
}

/* --- Sidebar Overlay (Mobile) --- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 150;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .dashboard-content {
    padding: var(--space-6);
  }
}

@media (max-width: 768px) {
  /* Navbar Mobile */
  .navbar-nav {
    display: none;
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-md);
  }

  .navbar-nav.is-open {
    display: flex;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-actions .btn {
    display: none;
  }

  .navbar-actions .btn:last-child {
    display: inline-flex;
  }

  /* Sidebar Mobile */
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.is-open {
    transform: translateX(0);
  }

  .sidebar-overlay.is-active {
    display: block;
  }

  .dashboard-main {
    margin-left: 0;
  }

  .topbar-toggle {
    display: flex;
  }

  .dashboard-topbar {
    padding: 0 var(--space-4);
  }

  .dashboard-content {
    padding: var(--space-5);
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .quick-actions {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer Mobile */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .quick-actions {
    grid-template-columns: 1fr 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}