/**
 * Layout Styles
 * Navigation drawer, top bar, and main content area
 */

/* Navigation Drawer */
.drawer {
    width: var(--nav-width);
    background-color: var(--md-sys-color-surface-container);
    border-right: 1px solid var(--md-sys-color-outline-variant);
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    flex-shrink: 0;
}

.drawer-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    font-size: 20px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--md-sys-color-primary);
    flex-shrink: 0;
}

.drawer-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 12px var(--spacing-md);
    border-radius: var(--md-sys-shape-corner-extra-large);
    text-decoration: none;
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-xs);
    transition: background-color 0.2s;
}

.nav-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.nav-item.active {
    background-color: #e8f0fe;
    color: var(--md-sys-color-primary);
}

.nav-item md-icon {
    font-size: 24px;
}

.drawer-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--md-sys-color-outline-variant);
    flex-shrink: 0;
}

/* Main Content Area */
.main-scaffold {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    height: var(--top-bar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    box-sizing: border-box;
}

.top-bar h2,
.top-bar .md-typescale-title-large {
    margin: 0;
    line-height: 1;
}

.search-box {
    background-color: #ededed;
    border-radius: var(--md-sys-shape-corner-small);
    padding: var(--spacing-sm) var(--spacing-md);
    width: 400px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: 16px;
}

.content-area {
    flex: 1;
    margin: 12px var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
    background-color: var(--md-sys-color-surface-container);
    border-radius: var(--md-sys-shape-corner-large);
    padding: var(--spacing-lg);
    overflow-y: auto;
    box-shadow: var(--elevation-1);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .search-box {
        width: 300px;
    }
}

@media (max-width: 768px) {
    .drawer {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        z-index: 1000;
        transition: left 0.3s ease;
    }
    
    .drawer.open {
        left: 0;
    }
    
    .search-box {
        display: none;
    }
    
    .content-area {
        margin: var(--spacing-sm);
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .top-bar {
        height: 56px;
        padding: 0 var(--spacing-md);
    }
    
    .content-area {
        border-radius: var(--md-sys-shape-corner-medium);
    }
}