/* Sidebar Layout */
.sidebar {
    width: 350px;
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transition: transform 0.3s ease;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    transform: translateX(-100%);
}

.sidebar.closed {
    transform: translateX(-100%);
}

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

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

/* Sidebar Toggle */
.sidebar-toggle {
    position: fixed;
    top: var(--space-4);
    left: var(--space-4);
    z-index: 10000;
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.sidebar-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-color);
    transform: scale(1.05);
}

/* Sidebar Header */
.sidebar-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.sidebar-header h1 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-header p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Control Panel */
.control-panel {
    flex: 1;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    overflow-y: auto;
    max-height: calc(100vh - 200px);
}

.control-section {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
}

.control-section h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: row;
    gap: var(--space-3);
    margin-top: auto;
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-color);
    justify-content: space-between;
}

.action-buttons .btn-primary,
.action-buttons .btn-secondary {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-3);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: var(--font-size-sm);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    min-height: 48px;
}

.action-buttons .btn-primary {
    background: var(--accent-color);
    color: white;
}

.action-buttons .btn-primary:hover {
    background: #1e40af;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.action-buttons .btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.action-buttons .btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-color);
}

/* App Container when sidebar is open - No fixed space */
.app-container.sidebar-open {
    /* No margin-left to avoid fixed space */
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .sidebar {
        width: 100vw;
        z-index: 9999;
    }
    
    .sidebar-toggle {
        top: var(--space-3);
        left: var(--space-3);
        z-index: 10000;
    }
}