/* Layout - Mobile First */

/* Hlavní kontejner */
.main-content {
    flex: 1;
    width: 100%;
    padding: var(--spacing-md);
    padding-top: calc(var(--nav-height) + var(--spacing-md));
    max-width: 100%;
}

.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 768px;
}

.container-lg {
    max-width: 1024px;
}

/* Card layout */
.card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

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

.card-title {
    font-size: var(--font-lg);
    font-weight: var(--font-semibold);
    margin: 0;
}

.card-body {
    padding: 0;
}

.card-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

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

/* Flex utilities */
.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex-start {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.flex-end {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

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

.flex-wrap {
    flex-wrap: wrap;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

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

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: var(--font-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--spacing-sm);
}

/* Desktop rozložení */
@media (min-width: 768px) {
    .main-content {
        padding: var(--spacing-xl);
        padding-top: calc(var(--nav-height) + var(--spacing-xl));
    }
    
    .card {
        padding: var(--spacing-xl);
    }
    
    .grid-md-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-md-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
    .main-content {
        max-width: 1280px;
        margin: 0 auto;
    }
}