/* ==========================================================================
   Looponia - Layout System
   Containers, grids, sections, and spacing utilities
   ========================================================================== */

/* -------------------------------------------------------------------------
   Containers
   ------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

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

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

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

.container-xl {
    max-width: var(--container-xl);
}

.container-2xl {
    max-width: var(--container-2xl);
}

.container-full {
    max-width: 100%;
}

/* Narrow container for text content */
.container-prose {
    max-width: 65ch;
    margin-left: auto;
    margin-right: auto;
}

/* -------------------------------------------------------------------------
   Sections
   ------------------------------------------------------------------------- */
.section {
    padding-top: var(--section-padding);
    padding-bottom: var(--section-padding);
}

.section-sm {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
}

.section-lg {
    padding-top: calc(var(--section-padding) * 1.5);
    padding-bottom: calc(var(--section-padding) * 1.5);
}

/* Section backgrounds */
.section-dark {
    background-color: var(--bg-secondary);
}

.section-gradient {
    background: var(--gradient-hero);
}

/* Section header */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-12);
}

.section-header .section-title {
    margin-bottom: var(--space-4);
}

.section-header .section-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
}

/* Section divider */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg,
            transparent,
            var(--border-primary) 20%,
            var(--border-primary) 80%,
            transparent);
    margin: var(--space-16) 0;
}

/* -------------------------------------------------------------------------
   Flexbox Utilities
   ------------------------------------------------------------------------- */
.flex {
    display: flex;
}

.inline-flex {
    display: inline-flex;
}

/* Direction */
.flex-row {
    flex-direction: row;
}

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

.flex-row-reverse {
    flex-direction: row-reverse;
}

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

/* Wrap */
.flex-wrap {
    flex-wrap: wrap;
}

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

/* Justify content */
.justify-start {
    justify-content: flex-start;
}

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

.justify-end {
    justify-content: flex-end;
}

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

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

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

/* Align items */
.items-start {
    align-items: flex-start;
}

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

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

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

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

/* Align self */
.self-start {
    align-self: flex-start;
}

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

.self-end {
    align-self: flex-end;
}

/* Gap */
.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-5 {
    gap: var(--space-5);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}

.gap-10 {
    gap: var(--space-10);
}

.gap-12 {
    gap: var(--space-12);
}

/* Flex grow/shrink */
.flex-1 {
    flex: 1 1 0%;
}

.flex-auto {
    flex: 1 1 auto;
}

.flex-initial {
    flex: 0 1 auto;
}

.flex-none {
    flex: none;
}

.grow {
    flex-grow: 1;
}

.grow-0 {
    flex-grow: 0;
}

.shrink {
    flex-shrink: 1;
}

.shrink-0 {
    flex-shrink: 0;
}

/* -------------------------------------------------------------------------
   Grid System
   ------------------------------------------------------------------------- */
.grid {
    display: grid;
}

/* Grid columns */
.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-cols-6 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.grid-cols-12 {
    grid-template-columns: repeat(12, minmax(0, 1fr));
}

/* Auto-fit grids */
.grid-auto-fit-sm {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-auto-fit-lg {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* Column span */
.col-span-1 {
    grid-column: span 1 / span 1;
}

.col-span-2 {
    grid-column: span 2 / span 2;
}

.col-span-3 {
    grid-column: span 3 / span 3;
}

.col-span-4 {
    grid-column: span 4 / span 4;
}

.col-span-6 {
    grid-column: span 6 / span 6;
}

.col-span-full {
    grid-column: 1 / -1;
}

/* Grid alignment */
.place-items-center {
    place-items: center;
}

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

/* -------------------------------------------------------------------------
   Spacing Utilities
   ------------------------------------------------------------------------- */

/* Margin */
.m-0 {
    margin: 0;
}

.m-auto {
    margin: auto;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.my-auto {
    margin-top: auto;
    margin-bottom: auto;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: var(--space-1);
}

.mt-2 {
    margin-top: var(--space-2);
}

.mt-3 {
    margin-top: var(--space-3);
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-6 {
    margin-top: var(--space-6);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mt-10 {
    margin-top: var(--space-10);
}

.mt-12 {
    margin-top: var(--space-12);
}

.mt-16 {
    margin-top: var(--space-16);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--space-1);
}

.mb-2 {
    margin-bottom: var(--space-2);
}

.mb-3 {
    margin-bottom: var(--space-3);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-6 {
    margin-bottom: var(--space-6);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.mb-10 {
    margin-bottom: var(--space-10);
}

.mb-12 {
    margin-bottom: var(--space-12);
}

.mb-16 {
    margin-bottom: var(--space-16);
}

.ml-auto {
    margin-left: auto;
}

.mr-auto {
    margin-right: auto;
}

/* Padding */
.p-0 {
    padding: 0;
}

.p-1 {
    padding: var(--space-1);
}

.p-2 {
    padding: var(--space-2);
}

.p-3 {
    padding: var(--space-3);
}

.p-4 {
    padding: var(--space-4);
}

.p-6 {
    padding: var(--space-6);
}

.p-8 {
    padding: var(--space-8);
}

.p-10 {
    padding: var(--space-10);
}

.p-12 {
    padding: var(--space-12);
}

.px-4 {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

.px-6 {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

.px-8 {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
}

.py-4 {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
}

.py-6 {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
}

.py-8 {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
}

.py-12 {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
}

.py-16 {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

/* -------------------------------------------------------------------------
   Width & Height Utilities
   ------------------------------------------------------------------------- */
.w-full {
    width: 100%;
}

.w-screen {
    width: 100vw;
}

.w-auto {
    width: auto;
}

.w-fit {
    width: fit-content;
}

.h-full {
    height: 100%;
}

.h-screen {
    height: 100vh;
}

.h-auto {
    height: auto;
}

.min-h-screen {
    min-height: 100vh;
}

/* -------------------------------------------------------------------------
   Responsive Breakpoints
   Mobile-first approach
   ------------------------------------------------------------------------- */

/* Small devices (640px and up) */
@media (min-width: 640px) {
    .sm\:flex {
        display: flex;
    }

    .sm\:hidden {
        display: none;
    }

    .sm\:block {
        display: block;
    }

    .sm\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sm\:flex-row {
        flex-direction: row;
    }

    .sm\:text-left {
        text-align: left;
    }
}

/* Medium devices (768px and up) */
@media (min-width: 768px) {
    .md\:flex {
        display: flex;
    }

    .md\:hidden {
        display: none;
    }

    .md\:block {
        display: block;
    }

    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .md\:flex-row {
        flex-direction: row;
    }

    .md\:text-left {
        text-align: left;
    }

    .md\:gap-8 {
        gap: var(--space-8);
    }

    .md\:px-8 {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
}

/* Large devices (1024px and up) */
@media (min-width: 1024px) {
    .lg\:flex {
        display: flex;
    }

    .lg\:hidden {
        display: none;
    }

    .lg\:block {
        display: block;
    }

    .lg\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .lg\:flex-row {
        flex-direction: row;
    }

    .lg\:gap-12 {
        gap: var(--space-12);
    }

    .lg\:px-12 {
        padding-left: var(--space-12);
        padding-right: var(--space-12);
    }
}

/* Extra large devices (1280px and up) */
@media (min-width: 1280px) {
    .xl\:flex {
        display: flex;
    }

    .xl\:hidden {
        display: none;
    }

    .xl\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}