/* Layout - App container, header, main content */

.app-container {
    display: grid;
    grid-template-rows: auto 1fr auto;
    height: 100vh;
    height: 100dvh;
}

/* Header */
.header {
    background: var(--surface-variant);
    padding: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-weight: 600;
    font-size: var(--text-lg);
    color: var(--primary-color);
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.2s ease;
    display: inline-block;
}

.logo:hover {
    opacity: 0.7;
    animation: glitch 0.3s linear infinite;
}

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

.header-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 var(--space-xs);
}

/* Main content area */
.main-content {
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: 100%;
    overflow: hidden;
    position: relative;
}

/* Sidebar resizer */
.sidebar-resizer {
    display: none;
}

/* Status bar */
.status-bar {
    background: var(--surface-variant);
    padding: var(--space-xs) var(--space-sm);
    border-top: 1px solid var(--border-color);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Toast notifications */
.toast-container {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    padding: var(--space-sm) var(--space-md);
    border-radius: 4px;
    font-size: var(--text-xs);
    color: white;
    animation: toast-in 0.3s ease;
    pointer-events: auto;
    min-width: 200px;
    text-align: center;
}

.toast.error {
    background: var(--error-color);
}

.toast.success {
    background: var(--success-color);
}

.toast.hiding {
    animation: toast-out 0.3s ease forwards;
}