/* platform/css/layout.css */
#app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* Sidebar Styling */
#sidebar {
    width: 280px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    height: 100%;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-light);
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--accent-primary);
    text-shadow: var(--shadow-glow);
}

.sidebar-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.sidebar-header span {
    color: var(--accent-primary);
}

.search-container {
    padding: 16px 20px;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 32px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

#global-search {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 10px 10px 10px 36px;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

#global-search:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.1);
}

.nav-links {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
    list-style: none;
}

.nav-section {
    padding: 16px 20px 8px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

.nav-item {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
    color: var(--accent-primary);
    background-color: rgba(0, 240, 255, 0.05);
    border-left-color: var(--accent-primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-light);
}

/* Main Content Area */
#main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.topbar {
    height: 70px;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10;
}

#mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.topbar-right {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-left: auto;
}

#app-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
    position: relative;
}

/* Responsive Design */
@media (max-width: 900px) {
    #sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
    }

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

    #mobile-menu-btn {
        display: block;
    }
}