/* RABBANI (ربّاني) Layout & Responsive Grid */

.app-container {
  display: flex;
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* Sidebar Navigation (Desktop) */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--primary-forest);
  color: var(--text-inverse);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-normal);
  z-index: 50;
  overflow-y: auto;
}

.sidebar-header {
  padding: var(--space-6) var(--space-5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-title {
  font-family: var(--font-arabic-heading);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.5px;
}

.brand-subtitle {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-1);
}

.sidebar-nav {
  padding: var(--space-4) 0;
  flex: 1;
}

.nav-section-title {
  padding: var(--space-2) var(--space-5);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 600;
}

.nav-section-spaced {
  margin-top: var(--space-4);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  border-right: 3px solid transparent;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--accent-gold);
}

.nav-item.active {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--accent-gold);
  border-right-color: var(--accent-gold);
  font-weight: 700;
}

.nav-item-disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.phase-badge {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 0.65rem;
}

.nav-icon {
  font-size: 1.25rem;
  width: 24px;
  text-align: center;
}

.nav-badge {
  margin-right: auto;
  background-color: var(--accent-gold);
  color: var(--primary-forest);
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

/* Main Content Area */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
  background-color: var(--bg-parchment);
}

/* Top Header */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.sync-status-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background-color: var(--status-success-bg);
  color: var(--status-success);
  font-weight: 600;
}

.sync-status-indicator.offline {
  background-color: var(--status-warning-bg);
  color: var(--status-warning);
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background-color: var(--bg-surface-alt);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary-forest);
  text-decoration: none;
}

.user-role {
  font-size: 0.65rem;
}

/* Content Page Container */
.page-container {
  flex: 1;
  padding: var(--space-6);
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* Bottom Nav (Mobile Only) */
.app-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  z-index: 45;
  justify-content: space-around;
  align-items: center;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 600;
  padding: var(--space-1);
}

.bottom-nav-item.active {
  color: var(--primary-forest);
}

.bottom-nav-icon {
  font-size: 1.2rem;
}

.menu-toggle-btn {
  display: none;
  font-size: 1.3rem;
  padding: 4px;
}

/* Sidebar Backdrop (Mobile) */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 48;
}

/* Responsive Media Queries */

/* Tablet & Mobile (< 1024px) */
@media (max-width: 1024px) {
  .app-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    transform: translateX(100%);
    box-shadow: -4px 0 12px rgba(0,0,0,0.15);
  }

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

  .sidebar-backdrop.active {
    display: block;
  }

  .menu-toggle-btn {
    display: flex !important;
  }

  .page-container {
    padding: var(--space-4);
  }
}

/* Mobile Devices (< 768px) */
@media (max-width: 768px) {
  .app-bottom-nav {
    display: flex;
  }

  .app-main {
    padding-bottom: var(--bottom-nav-height);
  }

  .app-header {
    padding: 0 var(--space-4);
    height: 56px;
  }

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

/* Small Mobile (360px to 430px) */
@media (max-width: 430px) {
  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }
  .user-pill span.user-role { display: none; }
}