/* ============================================
   BKLOG - Layout
   ============================================ */

/* App Container */
.app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--ocean-dark) 0%, var(--ocean-deep) 100%);
    border-right: 1px solid var(--ocean-light);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--ocean-light);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.sidebar-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    color: white;
}

.sidebar-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--steel-100);
    letter-spacing: -0.5px;
}

.sidebar-logo-version {
    font-size: 0.625rem;
    color: var(--steel-500);
    margin-left: 4px;
}

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

.nav-section {
    margin-bottom: var(--space-lg);
}

.nav-section-title {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--steel-500);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: 4px;
    border-radius: var(--radius-md);
    color: var(--steel-400);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-item:hover {
    background: var(--ocean-surface);
    color: var(--steel-200);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(91, 141, 184, 0.2), rgba(79, 209, 197, 0.1));
    color: var(--accent-cyan);
    border-left: 3px solid var(--accent-cyan);
    margin-left: -3px;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-item-text {
    font-size: 0.875rem;
    font-weight: 500;
}

.sidebar-footer {
    padding: var(--space-md);
    border-top: 1px solid var(--ocean-light);
}

/* Main Content */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background: rgba(10, 25, 41, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ocean-light);
    z-index: 50;
}

.header-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--steel-100);
}

.header-subtitle {
    font-size: 0.875rem;
    color: var(--steel-400);
    margin-top: 2px;
}

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

/* Content Area */
.content {
    flex: 1;
    padding: var(--space-xl);
    animation: fadeIn 0.3s ease;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--ocean-surface);
    border: 1px solid var(--ocean-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.stat-card.total::before { background: var(--accent-blue); }
.stat-card.borrador::before { background: var(--warning); }
.stat-card.completado::before { background: var(--success); }
.stat-card.error::before { background: var(--error); }

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--steel-400);
    margin-bottom: var(--space-xs);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--steel-100);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main {
        margin-left: 0;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        padding: var(--space-md);
    }

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

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

/* Overlay for mobile sidebar */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 90;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile menu button */
.menu-btn {
    display: none;
    padding: var(--space-sm);
    background: transparent;
    border: none;
    color: var(--steel-200);
    cursor: pointer;
}

@media (max-width: 1024px) {
    .menu-btn {
        display: flex;
    }
}