:root {
    --bg: #f7f8fa;
    --panel: #ffffff;
    --line: rgba(0, 0, 0, 0.06);
    --text: #1f1f1f;
    --muted: #666666;
    --accent: #1890ff;
    --accent-strong: #096dd9;
    --hover-bg: rgba(132, 133, 141, 0.12);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background: var(--bg);
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.34;
    background-image: var(--page-watermark-image, url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='420' height='320' viewBox='0 0 420 320'%3E%3Cg transform='rotate(-24 210 160)'%3E%3Ctext x='30' y='110' fill='%236f8098' fill-opacity='0.38' font-size='30' font-family='Segoe UI, Arial, sans-serif'%3EAlistSharp%3C/text%3E%3Ctext x='180' y='220' fill='%236f8098' fill-opacity='0.38' font-size='30' font-family='Segoe UI, Arial, sans-serif'%3EAlistSharp%3C/text%3E%3C/g%3E%3C/svg%3E"));
    background-repeat: repeat;
    background-size: 420px 320px;
}

[v-cloak] {
    display: none;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

.site-shell {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px 40px;
    position: relative;
    z-index: 1;
}

.site-header,
.header-actions,
.browser-head,
.browser-actions,
.path-row,
.breadcrumbs,
.search-panel-header,
.search-result-item,
.file-button,
.file-copy {
    display: flex;
    gap: 12px;
}

.site-header {
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #ffffff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 12px;
    z-index: 10;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    text-decoration: none;
}

.brand-mark {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #40a9ff, #1890ff);
    font-weight: 700;
    color: #fff;
    font-size: 13px;
}

.brand-text {
    display: grid;
    gap: 0;
}

.brand-text strong {
    font-size: 15px;
}

.brand-text span,
.session-badge {
    color: var(--muted);
    font-size: 11px;
}

.search-trigger {
    flex: 1;
    max-width: 360px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 6px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #f0f2f5;
    color: var(--muted);
    font: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.search-trigger:hover {
    background: #e6e8eb;
    color: var(--text);
}

.search-trigger kbd {
    padding: 2px 6px;
    border-radius: 6px;
    background: #ffffff;
    border: 1px solid var(--line);
    font-size: 11px;
    color: var(--muted);
}

.admin-link,
.ghost-button,
.crumb {
    border: none;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.admin-link {
    padding: 6px 12px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    font-size: 12px;
}

.admin-link:hover {
    background: var(--accent-strong);
}

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

.search-dialog {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 12vh;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(4px);
}

.search-dialog-content {
    width: min(640px, 92vw);
    max-height: 70vh;
    overflow-y: auto;
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
}

.search-dialog-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    background: #ffffff;
    z-index: 1;
}

.search-dialog-header input {
    flex: 1;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #f0f2f5;
    color: var(--text);
    font: inherit;
    transition: all 0.2s ease;
}

.search-dialog-header input:focus {
    outline: none;
    border-color: var(--accent);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.15);
}

.search-dialog-content .empty-state,
.search-dialog-content .search-results {
    padding: 16px;
    margin: 0;
    border: none;
}

.search-dialog-content .search-results {
    display: grid;
    gap: 8px;
}

.site-main {
    margin-top: 20px;
    display: grid;
    gap: 20px;
}

.flash,
.browser-card {
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.flash {
    padding: 12px 16px;
}

.flash.success {
    color: #389e0d;
    background: #f6ffed;
    border-color: #b7eb8f;
}

.flash.error {
    color: #cf1322;
    background: #fff1f0;
    border-color: #ffa39e;
}

.flash.info {
    color: #0958d9;
    background: #e6f4ff;
    border-color: #91caff;
}

.browser-card {
    padding: 16px 20px;
    position: relative;
    overflow: hidden;
}

.browser-card::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.32;
    background-image: var(--card-watermark-image, url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='360' height='260' viewBox='0 0 360 260'%3E%3Cg transform='rotate(-24 180 130)'%3E%3Ctext x='24' y='90' fill='%236f8098' fill-opacity='0.34' font-size='26' font-family='Segoe UI, Arial, sans-serif'%3EAlistSharp%3C/text%3E%3Ctext x='148' y='182' fill='%236f8098' fill-opacity='0.34' font-size='26' font-family='Segoe UI, Arial, sans-serif'%3EAlistSharp%3C/text%3E%3C/g%3E%3C/svg%3E"));
    background-repeat: repeat;
    background-size: 360px 260px;
}

.browser-card > * {
    position: relative;
    z-index: 1;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--muted);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.browser-head {
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.browser-head h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

.ghost-button,
.crumb {
    padding: 8px 14px;
    background: rgba(24, 144, 255, 0.08);
    color: var(--accent-strong);
    font-weight: 500;
}

.ghost-button:hover,
.crumb:hover {
    background: rgba(24, 144, 255, 0.16);
}

.ghost-button.compact {
    padding: 6px 12px;
}

.ghost-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.path-row {
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 12px;
    gap: 10px;
}

.breadcrumbs {
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}

.crumb {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 4px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    transition: color 0.2s ease;
}

.crumb:hover {
    color: var(--accent);
    background: transparent;
}

.crumb.active {
    color: var(--text);
    font-weight: 500;
    background: transparent;
}

.crumb-icon {
    font-size: 14px;
}

.crumb-sep {
    color: var(--muted);
    font-size: 13px;
    padding: 0 2px;
    user-select: none;
}

.search-panel {
    margin-bottom: 18px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #f5f5f5;
}

.search-panel-header {
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.search-results {
    display: grid;
    gap: 8px;
}

.search-result-item {
    align-items: center;
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #ffffff;
    color: var(--text);
    text-align: left;
    transition: all 0.2s ease;
}

.search-result-item:hover {
    background: var(--hover-bg);
}

.search-result-main {
    min-width: 0;
    flex: 1;
    display: grid;
    gap: 4px;
}

.search-result-main span,
.search-result-meta,
.file-copy span {
    color: var(--muted);
    font-size: 13px;
}

.file-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.file-table th,
.file-table td {
    padding: 8px 10px;
    text-align: left;
    vertical-align: middle;
}

.file-table th {
    color: var(--muted);
    font-size: 12px;
    font-weight: 500;
    border-bottom: 1px solid var(--line);
}

.sort-header {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 18px;
}

.sort-header::after {
    content: "";
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--muted);
    opacity: 0.3;
    transition: all 0.2s ease;
}

.sort-header.active::after {
    opacity: 1;
    border-top-color: var(--accent);
}

.sort-header.active.asc::after {
    border-top: none;
    border-bottom: 4px solid var(--accent);
}

.file-table td {
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    font-size: 14px;
}

.file-table tbody tr.file-row {
    cursor: pointer;
    transition: background 0.15s ease;
}

.file-table tbody tr.file-row:hover {
    background: rgba(0, 0, 0, 0.03);
}

.file-table tbody tr.file-row.file-row-disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.file-table tbody tr.file-row.file-row-disabled:hover {
    background: transparent;
}

.file-button {
    align-items: center;
    width: 100%;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text);
    text-align: left;
}

.file-icon {
    width: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex: 0 0 20px;
}

.file-copy {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.file-copy strong {
    font-weight: 400;
    font-size: 14px;
}

.file-copy span {
    font-size: 12px;
}

.highlighted {
    background: rgba(24, 144, 255, 0.08) !important;
}

.empty-state {
    padding: 28px 16px;
    border: 1px dashed var(--line);
    border-radius: 16px;
    color: var(--muted);
    text-align: center;
}

@media (max-width: 980px) {
    .site-header,
    .search-trigger,
    .browser-head,
    .path-row {
        flex-direction: column;
        align-items: stretch;
    }

    .search-trigger,
    .path-field {
        max-width: none;
        min-width: 0;
    }
}

@media (max-width: 720px) {
    .site-shell {
        padding: 12px;
    }

    .site-header {
        position: static;
        padding: 8px 12px;
        border-radius: 12px;
    }

    .browser-card {
        padding: 16px;
        border-radius: 16px;
    }

    .search-dialog {
        padding-top: 8vh;
    }

    .search-dialog-content {
        width: 96vw;
        max-height: 80vh;
        border-radius: 16px;
    }

    .file-table,
    .file-table thead,
    .file-table tbody,
    .file-table tr,
    .file-table td,
    .file-table th {
        display: block;
    }

    .file-table thead {
        display: none;
    }

    .file-table tr {
        padding: 12px 0;
        border-bottom: 1px solid var(--line);
    }

    .file-table td {
        border-bottom: none;
        padding: 6px 0;
    }

    .search-result-item {
        align-items: flex-start;
        flex-direction: column;
    }
}