/* ===================================
   LAYOUTS - Control 2026
   =================================== */

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

/* === MOBILE HEADER === */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: rgba(5, 5, 7, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 var(--space-4);
    align-items: center;
    justify-content: space-between;
    z-index: 200;
}

.mobile-logo {
    font-family: var(--font-logo);
    font-size: 1.4rem;
    font-weight: 800;
}

.btn-menu {
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-menu svg {
    width: 22px;
    height: 22px;
}

/* === SIDEBAR === */
#sidebar-container {
    width: 180px;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 99;
}

.logo-area {
    padding: 4px 8px;
    margin-bottom: 20px;
}

.logo-text {
    font-family: var(--font-logo);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 42px;
    padding: 0 12px;
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 500;
    transition: all 200ms ease;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    text-decoration: none;
}

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

.nav-item.active {
    background: var(--bg-hover);
    color: var(--indigo-400);
}

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

.sidebar-footer {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.nav-item.logout:hover {
    background: var(--error-bg);
    color: var(--error);
}

/* === MAIN CONTENT === */
.main-content {
    flex: 1;
    margin-left: 180px;
    padding: 20px 28px;
    min-height: 100vh;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.topbar-actions {
    display: flex;
    gap: 12px;
}

.page-title {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
}

.content-area {
    width: 100%;
}

/* === PAGE HEADER === */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.page-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
}

.page-header p {
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 2px;
}

/* === SECTIONS === */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

/* === GRID === */
.grid {
    display: grid;
    gap: 16px;
}

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

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid-auto {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-header {
        display: flex;
    }

    #sidebar-container {
        transform: translateX(-100%);
        background: var(--dark-950);
        width: 220px;
        transition: transform 300ms ease;
    }

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

    .sidebar-overlay.open {
        display: block;
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
        padding-top: calc(56px + 16px);
    }

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

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}