/*
 * SkyRoute Layout Styles
 * Page structure, navigation, grids
 */

/* ============================================
   PAGE WRAPPER
   ============================================ */
.app-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding: var(--space-6);
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--space-6);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.navbar-logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.nav-link i {
    font-size: 1rem;
    opacity: 0.8;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu:hover {
    background: var(--bg-hover);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-info {
    line-height: 1.3;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    margin-bottom: var(--space-6);
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.page-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

/* ============================================
   CALENDAR NAVIGATION
   ============================================ */
.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) 0;
}

.calendar-nav .btn {
    min-width: 100px;
}

.date-display {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.date-display input[type="date"] {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    cursor: pointer;
    outline: none;
}

.date-display input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.dashboard-grid {
    display: grid;
    gap: var(--space-6);
}

.pools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

@media (max-width: 1024px) {
    .pools-grid {
        grid-template-columns: 1fr;
    }
}

.combined-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .combined-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

.combined-stat {
    text-align: center;
}

.combined-stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
}

.combined-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.combined-stat-value.total { color: var(--accent-primary); }
.combined-stat-value.used { color: var(--success); }
.combined-stat-value.reserved { color: var(--warning); }
.combined-stat-value.available { color: var(--accent-secondary); }
.combined-stat-value.utilization { color: var(--accent-tertiary); }

/* Three column layout */
.three-column {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: var(--space-5);
}

@media (max-width: 1200px) {
    .three-column {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .three-column {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   CONTROL PANEL
   ============================================ */
.control-panel {
    margin: var(--space-6) 0;
}

.control-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.control-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 var(--space-2);
}

/* Quick links / nav pills */
.quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.quick-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.quick-link:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.quick-link.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.quick-link i {
    font-size: 0.875rem;
}

/* ============================================
   SECTION CONTAINERS
   ============================================ */
.section {
    margin-bottom: var(--space-8);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.section-title i {
    color: var(--accent-primary);
}

/* Pool Status Section */
.pool-section {
    background: linear-gradient(135deg, var(--pool-gradient-start) 0%, var(--pool-gradient-end) 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
}

.pool-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.pool-section-inner {
    position: relative;
    z-index: 1;
}

.pool-section-title {
    text-align: center;
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.pool-section-title i {
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-4) var(--space-6);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.8125rem;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
    .main-content {
        padding: var(--space-4);
    }
    
    .navbar {
        padding: 0 var(--space-4);
    }
    
    .navbar-nav {
        display: none;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .calendar-nav {
        flex-wrap: wrap;
    }
    
    .pool-section {
        padding: var(--space-4);
    }
}