/* Layout Styles */

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-primary);
    z-index: var(--z-fixed);
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--max-width-2xl);
    margin: 0 auto;
}

.logo {
    font-size: var(--font-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

/* Main content */
.main {
    margin-top: var(--header-height);
    flex: 1;
    display: flex;
    min-height: calc(100vh - var(--header-height));
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width-xl);
    margin: 0 auto;
    padding: var(--space-lg);
}

/* Two column layout */
.content-wrapper {
    display: flex;
    width: 100%;
    gap: var(--space-lg);
}

.main-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-primary);
    border-left: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    padding: var(--space-lg);
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

/* Grid layouts */
.grid {
    display: grid;
    gap: var(--space-lg);
}

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

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

/* Flex utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .content-wrapper {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--border-primary);
        max-height: 400px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0 var(--space-md);
    }

    .container {
        padding: var(--space-md);
    }

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

@media (max-width: 480px) {
    .container {
        padding: var(--space-sm);
    }

    .logo span {
        font-size: var(--font-lg);
    }
}

/* Card */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: var(--space-lg);
}

.card-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-primary);
    background-color: var(--bg-secondary);
}

/* Section */
.section {
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: var(--font-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: var(--font-4xl);
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--font-lg);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.empty-state-text {
    font-size: var(--font-sm);
}

/* Loading spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-primary);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Overlay */
.overlay {
    position: fixed;
    inset: 0;
    background-color: var(--bg-overlay);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Modal */
.modal {
    background-color: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
    z-index: var(--z-modal);
}