/* 設計語彙: Pico CSS + 卡片式工具列表 */

/* ── 版面 ── */
.app-body {
    /* Nav 高度補償，避免內容被蓋住 */
    padding-top: 4rem;
    padding-bottom: 2rem;
}

/* ── 導覽列 ── */
.app-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 var(--pico-spacing);
    background: var(--pico-background-color);
    border-bottom: 1px solid var(--pico-muted-border-color);
}

.nav-brand {
    font-weight: 700;
    text-decoration: none;
}

/* 回主站：次要連結，視覺權重低於品牌名稱 */
.nav-home {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.875rem;
    text-decoration: none;
}

.nav-home svg {
    width: 1rem;
    height: 1rem;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.1rem;
    line-height: 1;
}

.theme-icon-sun {
    display: none;
}

:root[data-theme="dark"] .theme-icon-sun {
    display: inline;
}

:root[data-theme="dark"] .theme-icon-moon {
    display: none;
}

/* ── 標題 ── */
hgroup {
    margin-bottom: var(--pico-spacing);
}

hgroup h1 {
    font-size: 1.4rem;
    margin-bottom: 0.2rem;
}

hgroup p {
    font-size: 0.875rem;
    color: var(--pico-muted-color);
    margin: 0;
}

/* ── 卡片格線 ── */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--pico-spacing);
}

/* ── 連結包裝（消除底線與顏色） ── */
.tool-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* ── 卡片基底 ── */
.tool-card {
    margin: 0;
    padding: var(--pico-spacing);
    border-radius: var(--pico-border-radius);
    border: 1px solid var(--pico-muted-border-color);
    background: var(--pico-card-background-color);
    transition:
        box-shadow 0.18s ease,
        transform 0.18s ease,
        border-color 0.18s ease;
    cursor: default;
    height: 100%;
    text-align: left;
}

.tool-card--clickable {
    cursor: pointer;
}

.tool-card-link:hover .tool-card--clickable,
.tool-card-link:focus-visible .tool-card--clickable {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px
        color-mix(in srgb, var(--pico-primary) 12%, transparent);
    border-color: color-mix(
        in srgb,
        var(--pico-primary) 40%,
        var(--pico-muted-border-color)
    );
}

.tool-card-link:focus-visible {
    outline: none;
}

.tool-card--disabled {
    opacity: 0.55;
}

/* ── 內部 flex 佈局 ── */
.tool-card__inner {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

/* ── 圖示容器 ── */
.tool-icon-wrap {
    flex-shrink: 0;
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 0.5rem;
    background: color-mix(in srgb, var(--pico-primary) 12%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pico-primary);
}

.tool-card--disabled .tool-icon-wrap {
    background: color-mix(in srgb, var(--pico-muted-color) 12%, transparent);
    color: var(--pico-muted-color);
}

.tool-icon-wrap svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* ── 文字區塊 ── */
.tool-card__body {
    flex: 1;
    min-width: 0;
}

.tool-card__title {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--pico-contrast, var(--pico-h5-color, #1f2937));
    margin-bottom: 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tool-card__desc {
    margin: 0;
    font-size: 0.82rem;
    color: var(--pico-muted-color);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── 狀態徽章（已封存、即將上架等） ── */
.tool-badge {
    flex-shrink: 0;
    font-size: 0.68rem;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--pico-muted-color) 14%, transparent);
    color: var(--pico-muted-color);
    white-space: nowrap;
    border: 1px solid var(--pico-muted-border-color);
}