/* =========================================================
   Pocket Kit — layout.css
   Card, Section, Grid layout components
   ========================================================= */

/* --- Card --- */
.card {
    background: var(--surfaceColor);
    border: 1px solid var(--surfaceAlt2Color);
    border-radius: var(--lgBorderRadius);
    box-shadow: var(--boxShadow);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--siblingSpacing);
    padding: var(--smSpacing);
    border-bottom: 1px solid var(--surfaceAlt2Color);
}

.card-title {
    flex: 1;
    font-weight: 600;
    font-size: var(--lgFontSize);
}

.card-content {
    padding: var(--smSpacing);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--siblingSpacing);
    padding: var(--smSpacing);
    border-top: 1px solid var(--surfaceAlt2Color);
    background: var(--surfaceAlt1Color);
}

/* --- Section --- */
.section {
    padding: var(--spacing) 0;
}

.section + .section {
    border-top: 1px solid var(--surfaceAlt2Color);
}

.section-title {
    font-size: var(--lgFontSize);
    font-weight: 600;
    color: var(--surfaceTxtColor);
    margin-bottom: var(--tableSpacing);
}

.section-hint {
    font-size: var(--smFontSize);
    color: var(--surfaceTxtHintColor);
    margin-bottom: var(--smSpacing);
}

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

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

@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* --- Divider --- */
.divider {
    border: none;
    border-top: 1px solid var(--surfaceAlt2Color);
    margin: var(--smSpacing) 0;
}

/* --- Empty State --- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing) var(--smSpacing);
    text-align: center;
    color: var(--surfaceTxtHintColor);
    gap: var(--siblingSpacing);
}

.empty-state i {
    font-size: 48px;
    opacity: 0.4;
}

.empty-state h5, .empty-state h6 {
    color: var(--surfaceTxtColor);
    margin: 0;
}

.empty-state p {
    font-size: var(--smFontSize);
    margin: 0;
    max-width: 320px;
}

/* --- Accordion --- */
.accordion {
    border: 1px solid var(--surfaceAlt2Color);
    border-radius: var(--borderRadius);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--surfaceAlt2Color);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    display: flex;
    align-items: center;
    gap: var(--siblingSpacing);
    padding: var(--tableSpacing) var(--smSpacing);
    cursor: pointer;
    user-select: none;
    font-weight: 600;
    font-size: var(--smFontSize);
    background: var(--surfaceAlt1Color);
    transition: background var(--animationSpeed);
    list-style: none;
}

.accordion-header:hover {
    background: var(--surfaceAlt2Color);
}

.accordion-header::-webkit-details-marker { display: none; }

.accordion-header::after {
    content: '\ea4e'; /* ri-arrow-down-s-line */
    font-family: 'remixicon';
    margin-left: auto;
    transition: transform var(--animationSpeed);
    font-weight: 400;
}

details[open] .accordion-header::after {
    transform: rotate(180deg);
}

.accordion-content {
    padding: var(--smSpacing);
}