/* layout.css - 레이아웃 유틸리티 */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-1 { flex: 1; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid */
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* 블록 */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

/* 포지션 */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }

/* 사이징 */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* 오버플로우 */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* 섹션 */
.section {
    padding: var(--space-16) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-3);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--space-10);
}

/* 관리자 레이아웃 */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-content {
    flex: 1;
    padding: var(--space-6);
    margin-left: var(--sidebar-width);
    background: var(--color-bg-light);
}

.admin-page-header {
    margin-bottom: var(--space-6);
}

.admin-page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.admin-page-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-1);
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    .admin-content {
        margin-left: 0;
        padding: var(--space-4);
    }
}