/* Shared UI polish layered after page-specific styles. */
:root {
    --ui-focus-ring: 0 0 0 3px rgba(26, 25, 23, 0.08);
    --ui-hover-shadow: 0 8px 24px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
}

html {
    scroll-behavior: smooth;
}

body {
    text-rendering: optimizeLegibility;
}

a,
button,
.btn,
.browser-tab,
.file-card,
.file-item,
.media-item,
.link-btn,
.page-btn {
    -webkit-tap-highlight-color: transparent;
}

.btn,
.browser-tab,
.page-btn,
.link-btn {
    transition: transform var(--transition, 0.18s ease), border-color var(--transition, 0.18s ease), background var(--transition, 0.18s ease), color var(--transition, 0.18s ease), box-shadow var(--transition, 0.18s ease), opacity var(--transition, 0.18s ease);
}

.btn:not(.btn-sm):not(.table-action),
.browser-tab,
.page-btn {
    min-height: 40px;
}

.btn-sm,
.table-action {
    min-height: 32px;
}

.btn:hover,
.browser-tab:hover,
.page-btn:hover,
.link-btn:hover {
    box-shadow: var(--shadow, 0 1px 3px rgba(0, 0, 0, 0.06));
}

.btn:focus-visible,
.browser-tab:focus-visible,
.page-btn:focus-visible,
.link-btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: none;
    box-shadow: var(--ui-focus-ring);
}

input:focus,
select:focus,
textarea:focus {
    background: var(--surface, #fff);
    box-shadow: var(--ui-focus-ring);
}

.section-nav {
    display: flex;
    gap: 8px;
    margin: -4px 0 16px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
}

.section-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid var(--border, rgba(0, 0, 0, 0.07));
    border-radius: 999px;
    background: var(--surface, #fff);
    color: var(--text-2, #6b6a67);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: var(--shadow, 0 1px 3px rgba(0, 0, 0, 0.06));
    transition: transform var(--transition, 0.18s ease), border-color var(--transition, 0.18s ease), background var(--transition, 0.18s ease), color var(--transition, 0.18s ease), box-shadow var(--transition, 0.18s ease);
}

.section-nav a:hover {
    border-color: var(--border-strong, rgba(0, 0, 0, 0.12));
    color: var(--text-1, #1a1917);
    transform: translateY(-1px);
}

.card,
.hero,
.footer,
.file-card,
.link-table {
    transition: box-shadow var(--transition, 0.18s ease), transform var(--transition, 0.18s ease), border-color var(--transition, 0.18s ease);
}

.card:hover,
.hero:hover,
.file-card:hover {
    border-color: var(--border-strong, rgba(0, 0, 0, 0.12));
}

.site-header {
    min-width: 0;
}

.site-header > div:not(.logo-mark):not(.user-panel) {
    min-width: 0;
}

.site-header h1,
.site-header p,
.file-name,
.item-name {
    overflow: hidden;
    text-overflow: ellipsis;
}

.breadcrumb,
.browser-tabs,
.section-nav,
.btn-row,
.actions,
.hero-actions,
.content-tools,
.file-actions,
.batch-controls {
    scrollbar-width: thin;
}

.table-wrap,
.link-table,
.file-list,
.media-list,
.list-container {
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong, rgba(0, 0, 0, 0.12)) transparent;
}

.card[id] {
    scroll-margin-top: 18px;
}

@media (max-width: 760px) {
    body {
        padding: 20px 14px 48px;
    }

    .site-header {
        display: grid !important;
        grid-template-columns: 42px minmax(0, 1fr) !important;
        align-items: start !important;
        gap: 10px 12px !important;
        margin-bottom: 20px;
    }

    .site-header > div:not(.logo-mark):not(.user-panel) {
        min-width: 0 !important;
    }

    .site-header .user-panel {
        grid-column: 1 / -1 !important;
        width: 100% !important;
        margin-left: 0 !important;
        display: grid !important;
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
        gap: 8px !important;
    }

    .site-header .user-panel span,
    .site-header .user-panel .btn {
        width: 100% !important;
        min-width: 0 !important;
        height: 36px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        padding: 0 8px !important;
        font-size: 12px !important;
        white-space: nowrap !important;
        box-sizing: border-box !important;
    }

    .site-header h1 {
        font-size: 18px;
        line-height: 1.3;
    }

    .site-header p {
        font-size: 12px;
        line-height: 1.6;
        white-space: normal;
    }

    .hero,
    .card,
    .footer,
    .file-card {
        border-radius: var(--radius-lg, 16px);
        padding: 18px;
    }

    .hero-actions,
    .actions,
    .btn-row,
    .content-tools,
    .file-actions,
    .batch-controls {
        gap: 8px;
    }

    .hero-actions .btn,
    .actions .btn,
    .btn-row .btn,
    .content-tools .btn {
        flex: 1 1 160px;
    }

    .field-row,
    .grid,
    .layout {
        grid-template-columns: 1fr !important;
    }

    .file-actions,
    .batch-controls {
        flex-wrap: wrap;
    }

    .file-card,
    .file-info {
        align-items: flex-start;
    }

    .file-card {
        flex-direction: column;
    }

    .file-actions {
        width: 100%;
    }

    .file-actions .btn {
        flex: 1 1 130px;
    }

    .breadcrumb,
    .browser-tabs,
    .section-nav {
        overflow-x: auto;
        padding-bottom: 4px;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    body {
        padding-inline: 12px;
    }

    .site-header .user-panel {
        grid-template-columns: 1fr 1fr !important;
    }

    .site-header .user-panel span {
        grid-column: 1 / -1 !important;
    }

    .logo-mark {
        width: 38px;
        height: 38px;
        border-radius: 10px;
    }

    .hero,
    .card,
    .footer,
    .file-card {
        padding: 16px;
    }

    .btn,
    .browser-tab,
    .page-btn {
        width: 100%;
    }

    .browser-tab,
    .page-btn,
    .link-btn {
        width: auto;
    }
}