/* =========================================================================
   CMS Admin — Modern Light UI
   ========================================================================= */

/* ── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* ── Design Tokens ─────────────────────────────────────────────────────── */
:root {
    /* Surfaces */
    --bg:           #f5f7fa;
    --bg-elev:      #ffffff;
    --bg-subtle:    #f8fafc;
    --bg-muted:     #eef2f8;
    --bg-hover:     #f1f5fb;

    /* Borders */
    --border:       #e6e9f0;
    --border-strong:#d6dbe6;
    --hairline:     rgba(15, 23, 42, .06);

    /* Text */
    --text:         #0f172a;
    --text-muted:   #4b5675;
    --text-dim:     #8b95ac;
    --text-faint:   #b4bccd;

    /* Brand (Indigo → Violet) */
    --brand:        #6366f1;
    --brand-strong: #4f46e5;
    --brand-vivid:  #8b5cf6;
    --brand-soft:   #eef0ff;
    --brand-glow:   rgba(99, 102, 241, .14);

    /* Status */
    --success:      #10b981;
    --success-soft: #ecfdf5;
    --success-text: #047857;
    --danger:       #ef4444;
    --danger-soft:  #fef2f2;
    --danger-text:  #b91c1c;
    --warn:         #f59e0b;
    --warn-soft:    #fffbeb;
    --warn-text:    #b45309;
    --info:         #0ea5e9;
    --info-soft:    #f0f9ff;
    --info-text:    #0369a1;

    /* Layout */
    --sidebar-w:    264px;
    --topbar-h:     64px;
    --radius-sm:    6px;
    --radius:       10px;
    --radius-lg:    14px;
    --radius-xl:    20px;

    /* Elevation */
    --shadow-xs:    0 1px 2px rgba(15, 23, 42, .04);
    --shadow-sm:    0 2px 4px -1px rgba(15, 23, 42, .05), 0 1px 2px rgba(15, 23, 42, .04);
    --shadow:       0 4px 12px -2px rgba(15, 23, 42, .06), 0 2px 4px -2px rgba(15, 23, 42, .04);
    --shadow-md:    0 10px 24px -8px rgba(15, 23, 42, .12), 0 4px 8px -4px rgba(15, 23, 42, .06);
    --shadow-lg:    0 24px 48px -12px rgba(15, 23, 42, .18), 0 8px 16px -8px rgba(15, 23, 42, .10);
    --ring:         0 0 0 4px rgba(99, 102, 241, .15);
    --ring-danger:  0 0 0 4px rgba(239, 68, 68, .15);

    /* Motion */
    --t:            180ms cubic-bezier(.4, 0, .2, 1);

    /* Legacy aliases (keep old inline styles / third-party pages working) */
    --text2:        var(--text-muted);
    --text3:        var(--text-dim);
    --bg3:          var(--bg-subtle);
    --bg4:          var(--bg-muted);
    --border2:      var(--border-strong);
    --accent2:      var(--brand);
}

/* ── Base ──────────────────────────────────────────────────────────────── */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
    background: var(--bg);
    background-image:
        radial-gradient(ellipse 900px 600px at 8% -10%, rgba(99, 102, 241, .06) 0%, transparent 55%),
        radial-gradient(ellipse 700px 500px at 95% 110%, rgba(139, 92, 246, .04) 0%, transparent 55%);
    background-attachment: fixed;
    color: var(--text);
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    display: flex;
    min-height: 100vh;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(15, 23, 42, .14);
    border-radius: 10px;
    border: 3px solid var(--bg);
    background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(15, 23, 42, .26); background-clip: padding-box; border: 3px solid var(--bg); }

::selection { background: var(--brand-glow); color: var(--text); }

a:hover { color: var(--brand); }

hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

.icon { flex-shrink: 0; }

/* ─────────────────────────────────────────────────────────────────────────
   SIDEBAR
   ───────────────────────────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    background: #fff;
    border-right: 1px solid var(--border);
    position: fixed;
    inset: 0 auto 0 0;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 100;
    display: flex;
    flex-direction: column;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(15, 23, 42, .10); border: 0; }

.sidebar-brand {
    padding: 18px 18px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.sidebar-brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-vivid) 100%);
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 6px 14px -2px rgba(99, 102, 241, .42), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.sidebar-brand-text { min-width: 0; }
.sidebar-brand-name {
    font-size: 14.5px;
    font-weight: 700;
    letter-spacing: -.2px;
    color: var(--text);
    line-height: 1.2;
    white-space: nowrap;
}
.sidebar-brand-sub {
    font-size: 11px;
    color: var(--text-dim);
    font-weight: 500;
    margin-top: 2px;
    letter-spacing: .2px;
}

.sidebar-menu {
    list-style: none;
    padding: 8px 10px 24px;
    flex: 1;
}
.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 9px 12px;
    color: var(--text-muted);
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--t);
    border-radius: 9px;
    margin: 2px 0;
    position: relative;
}
.sidebar-menu a:hover {
    color: var(--text);
    background: var(--bg-hover);
}
.sidebar-menu a.active {
    color: var(--brand-strong);
    background: var(--brand-soft);
    font-weight: 600;
}
.sidebar-menu a.active::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 18px;
    background: linear-gradient(180deg, var(--brand), var(--brand-vivid));
    border-radius: 0 3px 3px 0;
}
.sidebar-menu a .icon { color: var(--text-dim); transition: color var(--t); }
.sidebar-menu a:hover .icon,
.sidebar-menu a.active .icon { color: currentColor; }

.menu-group {
    padding: 18px 14px 6px;
    color: var(--text-dim);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    font-weight: 700;
}
.menu-sep {
    height: 1px;
    background: var(--border);
    margin: 10px 12px;
}

.sidebar-footer {
    padding: 12px 14px 16px;
    border-top: 1px solid var(--border);
    font-size: 11.5px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* ─────────────────────────────────────────────────────────────────────────
   TOPBAR
   ───────────────────────────────────────────────────────────────────────── */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-w);
    right: 0;
    height: var(--topbar-h);
    background: rgba(255, 255, 255, .82);
    backdrop-filter: saturate(1.5) blur(16px);
    -webkit-backdrop-filter: saturate(1.5) blur(16px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 28px;
    z-index: 90;
    gap: 16px;
}
.topbar-breadcrumb {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    min-width: 0;
}
.topbar-breadcrumb a {
    color: var(--text-muted);
    transition: color var(--t);
}
.topbar-breadcrumb a:hover { color: var(--brand); }
.topbar-sep {
    color: var(--text-faint);
    display: inline-flex;
    align-items: center;
}
.topbar-current {
    color: var(--text);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* User chip */
.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 11px 5px 5px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    transition: var(--t);
}
.user-chip:hover { border-color: var(--brand); color: var(--brand); }
.user-chip-avatar {
    width: 26px; height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-vivid) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 11.5px;
    text-transform: uppercase;
}

/* ─────────────────────────────────────────────────────────────────────────
   MAIN CONTENT
   ───────────────────────────────────────────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: calc(var(--topbar-h) + 30px) 32px 40px;
    max-width: calc(100vw - var(--sidebar-w));
    min-height: 100vh;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -.5px;
    margin-bottom: 24px;
}
.page-header .page-title { margin-bottom: 0; }
.page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: -16px; margin-bottom: 24px; }

/* ─────────────────────────────────────────────────────────────────────────
   STAT CARDS
   ───────────────────────────────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    overflow: hidden;
    transition: var(--t);
    box-shadow: var(--shadow-xs);
}
.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}
.stat-card-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--card-rgb, 99, 102, 241), .10);
    color: rgb(var(--card-rgb, 99, 102, 241));
    flex-shrink: 0;
    border: 1px solid rgba(var(--card-rgb, 99, 102, 241), .16);
}
.stat-card-body { min-width: 0; flex: 1; }
.stat-num {
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.1;
    letter-spacing: -.8px;
    font-variant-numeric: tabular-nums;
}
.stat-label {
    color: var(--text-muted);
    margin-top: 3px;
    font-size: 11.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .8px;
}

/* ─────────────────────────────────────────────────────────────────────────
   CARDS
   ───────────────────────────────────────────────────────────────────────── */
.card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    transition: box-shadow var(--t);
}
.card:hover { box-shadow: var(--shadow-sm); }
.card-header {
    padding: 14px 22px;
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    font-size: 13.5px;
    color: var(--text);
    background: var(--bg-elev);
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-header .icon { color: var(--text-dim); }
.card-body { padding: 22px; }
.card-section { padding: 20px 22px; border-bottom: 1px solid var(--border); }
.card-section:last-child { border-bottom: none; }
.section-title {
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .8px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.section-title small,
.vars-hint {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 8px;
    text-transform: none;
    letter-spacing: 0;
}

/* ─────────────────────────────────────────────────────────────────────────
   TABLES
   ───────────────────────────────────────────────────────────────────────── */
.table { width: 100%; border-collapse: collapse; }
.table th {
    padding: 11px 18px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    background: var(--bg-subtle);
    color: var(--text-dim);
    font-weight: 600;
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}
.table td {
    padding: 13px 18px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 13.5px;
    vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr { transition: background .12s; }
.table tbody tr:hover td { background: var(--bg-subtle); }
.table a { color: var(--brand); }
.table a:hover { color: var(--brand-strong); text-decoration: underline; }
.table .muted { color: var(--text-faint); }

/* ─────────────────────────────────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 9px;
    border: 1px solid var(--border-strong);
    background: #fff;
    color: var(--text);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
    transition: var(--t);
    box-shadow: var(--shadow-xs);
}
.btn:hover {
    background: var(--bg-subtle);
    border-color: var(--text-dim);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.btn:active { transform: translateY(0); box-shadow: none; }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }

.btn-primary {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-vivid) 100%);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 1px 2px rgba(15, 23, 42, .08), 0 4px 14px -2px rgba(99, 102, 241, .42);
    font-weight: 600;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--brand-strong) 0%, var(--brand-vivid) 100%);
    box-shadow: 0 4px 16px -2px rgba(99, 102, 241, .52);
    color: #fff;
}
.btn-primary:focus-visible { box-shadow: 0 4px 14px -2px rgba(99, 102, 241, .42), var(--ring); }

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 12px -2px rgba(239, 68, 68, .32);
}
.btn-danger:hover { background: #dc2626; border-color: #dc2626; color: #fff; }
.btn-danger:focus-visible { box-shadow: var(--ring-danger); }

.btn-success {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 12px -2px rgba(16, 185, 129, .32);
}
.btn-success:hover { background: #059669; border-color: #059669; color: #fff; }

.btn-info {
    background: var(--info);
    border-color: var(--info);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 12px -2px rgba(14, 165, 233, .32);
}
.btn-info:hover { background: #0284c7; border-color: #0284c7; color: #fff; }

.btn-ghost {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    color: var(--text-muted);
}
.btn-ghost:hover { background: var(--bg-muted); border-color: transparent; color: var(--text); box-shadow: none; }

.btn-sm { padding: 5px 11px; font-size: 12px; border-radius: 7px; gap: 4px; }
.btn-lg { padding: 11px 22px; font-size: 14.5px; border-radius: 10px; }
.btn-full { width: 100%; }
.btn-icon { padding: 6px; width: 32px; height: 32px; }

.btn:disabled, .btn[disabled] {
    opacity: .5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Button group */
.btn-group { display: inline-flex; gap: 6px; }
.btn-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ─────────────────────────────────────────────────────────────────────────
   FORMS
   ───────────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label,
.form-label {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 7px;
    color: var(--text);
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: .1px;
}
.form-group input[type=text],
.form-group input[type=number],
.form-group input[type=password],
.form-group input[type=email],
.form-group input[type=url],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    background: #fff;
    border: 1px solid var(--border-strong);
    border-radius: 9px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color .15s, box-shadow .15s, background .15s;
}
.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover { border-color: var(--text-dim); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--brand);
    box-shadow: var(--ring);
    background: #fff;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-faint); }

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b95ac' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 38px;
    cursor: pointer;
}
.form-group textarea { resize: vertical; min-height: 90px; line-height: 1.6; }
.form-group input[type=file] {
    width: 100%;
    padding: 9px 12px;
    background: #fff;
    border: 1px solid var(--border-strong);
    border-radius: 9px;
    color: var(--text);
    font-size: 13.5px;
    cursor: pointer;
}
.form-group input[type=file]:hover { border-color: var(--text-dim); }
.form-group input[type=file]::file-selector-button {
    margin-right: 12px;
    padding: 6px 12px;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    background: var(--bg-subtle);
    color: var(--text-muted);
    font-size: 12.5px;
    cursor: pointer;
    transition: var(--t);
}
.form-group input[type=file]:hover::file-selector-button { background: var(--bg-hover); color: var(--text); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.form-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 6px;
    flex-wrap: wrap;
}
.req { color: var(--danger); margin-left: 2px; font-weight: 700; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 5px; line-height: 1.5; }

input[type=checkbox], input[type=radio] { accent-color: var(--brand); cursor: pointer; }

/* Input with leading icon */
.input-wrap { position: relative; }
.input-wrap .icon-prefix {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
    pointer-events: none;
}
.input-wrap input { padding-left: 38px !important; }

/* ─────────────────────────────────────────────────────────────────────────
   ALERTS
   ───────────────────────────────────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 18px;
    font-size: 13.5px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.55;
    border: 1px solid;
    border-left-width: 3px;
}
.alert .icon { margin-top: 1px; flex-shrink: 0; }
.alert-success { background: var(--success-soft); border-color: rgba(16, 185, 129, .25); border-left-color: var(--success); color: var(--success-text); }
.alert-error,
.alert-danger  { background: var(--danger-soft);  border-color: rgba(239, 68, 68, .25);  border-left-color: var(--danger);  color: var(--danger-text); }
.alert-warn    { background: var(--warn-soft);    border-color: rgba(245, 158, 11, .25); border-left-color: var(--warn);    color: var(--warn-text); }
.alert-info    { background: var(--info-soft);    border-color: rgba(14, 165, 233, .25); border-left-color: var(--info);    color: var(--info-text); }
.alert strong { font-weight: 700; }

/* ─────────────────────────────────────────────────────────────────────────
   BADGES, TAGS, STATUS
   ───────────────────────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .2px;
    background: var(--brand-soft);
    color: var(--brand-strong);
    border: 1px solid rgba(99, 102, 241, .22);
    white-space: nowrap;
}
.badge-success { background: var(--success-soft); color: var(--success-text); border-color: rgba(16, 185, 129, .25); }
.badge-danger  { background: var(--danger-soft);  color: var(--danger-text);  border-color: rgba(239, 68, 68, .25); }
.badge-warn    { background: var(--warn-soft);    color: var(--warn-text);    border-color: rgba(245, 158, 11, .25); }
.badge-info    { background: var(--info-soft);    color: var(--info-text);    border-color: rgba(14, 165, 233, .25); }
.badge-neutral { background: var(--bg-muted);     color: var(--text-muted);   border-color: var(--border-strong); }

.status-dot {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}
.status-dot::before {
    content: '';
    width: 7px; height: 7px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 0 3px currentColor;
    opacity: .3;
}
.status-dot.on  { color: var(--success); }
.status-dot.off { color: var(--danger); }

.status-on  { color: var(--success); font-weight: 600; }
.status-off { color: var(--danger);  font-weight: 600; }

.tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 9px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg-muted);
    border: 1px solid var(--border-strong);
    color: var(--text-muted);
    white-space: nowrap;
}

/* ─────────────────────────────────────────────────────────────────────────
   BATCH TOOLBAR
   ───────────────────────────────────────────────────────────────────────── */
.batch-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.batch-toolbar select {
    padding: 6px 32px 6px 12px;
    background: #fff;
    border: 1px solid var(--border-strong);
    color: var(--text);
    border-radius: 7px;
    font-size: 13px;
    outline: none;
    cursor: pointer;
    font-family: inherit;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b95ac' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    transition: border-color var(--t);
}
.batch-toolbar select:hover { border-color: var(--text-dim); }
.batch-toolbar label { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: 13px; color: var(--text); }

/* ─────────────────────────────────────────────────────────────────────────
   SITE CHECKLIST
   ───────────────────────────────────────────────────────────────────────── */
.site-checklist { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 18px; }
.check-item {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 7px 13px;
    background: #fff;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--t);
    font-size: 13px;
    user-select: none;
    box-shadow: var(--shadow-xs);
}
.check-item:hover { border-color: var(--brand); background: var(--brand-soft); }
.check-item small { color: var(--text-dim); font-size: 11.5px; }

/* ─────────────────────────────────────────────────────────────────────────
   TEMPLATE GRID
   ───────────────────────────────────────────────────────────────────────── */
.tpl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; margin-top: 10px; }
.tpl-grid.large { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
.tpl-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 14px 10px;
    background: #fff;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--t);
    text-align: center;
    box-shadow: var(--shadow-xs);
}
.tpl-card:hover {
    border-color: var(--brand);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.tpl-card.selected {
    border-color: var(--brand);
    background: var(--brand-soft);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, .14);
}
.tpl-card input { display: none; }
.tpl-thumb {
    width: 100%;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--bg-subtle);
    border-radius: 6px;
}
.tpl-thumb img { max-width: 100%; max-height: 64px; object-fit: contain; }
.tpl-thumb span { color: var(--text-dim); font-size: 11px; font-weight: 600; }
.tpl-name { font-size: 12px; color: var(--text-muted); font-weight: 600; letter-spacing: .2px; }

/* ─────────────────────────────────────────────────────────────────────────
   DASHBOARD ACTION GRID
   ───────────────────────────────────────────────────────────────────────── */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.action-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text);
    transition: var(--t);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}
.action-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(var(--card-rgb, 99, 102, 241), .07), transparent 60%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--t);
}
.action-card:hover {
    border-color: rgba(var(--card-rgb, 99, 102, 241), .5);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px -8px rgba(var(--card-rgb, 99, 102, 241), .25);
    color: var(--text);
}
.action-card:hover::after { opacity: 1; }
.action-card .icon-box {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--card-rgb, 99, 102, 241), .10);
    color: rgb(var(--card-rgb, 99, 102, 241));
    border-radius: 12px;
    border: 1px solid rgba(var(--card-rgb, 99, 102, 241), .18);
    transition: var(--t);
}
.action-card:hover .icon-box {
    background: rgba(var(--card-rgb, 99, 102, 241), .18);
    transform: scale(1.06);
}
.action-info { min-width: 0; flex: 1; overflow: hidden; }
.action-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -.1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.action-desc {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.action-arrow {
    color: var(--text-faint);
    transition: var(--t);
}
.action-card:hover .action-arrow {
    color: rgb(var(--card-rgb, 99, 102, 241));
    transform: translateX(2px);
}

/* ─────────────────────────────────────────────────────────────────────────
   AUTH (Install / Login)
   ───────────────────────────────────────────────────────────────────────── */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100%;
    padding: 40px 16px;
    background:
        radial-gradient(ellipse 900px 600px at 15% -10%, rgba(99, 102, 241, .12) 0%, transparent 55%),
        radial-gradient(ellipse 700px 500px at 90% 110%, rgba(139, 92, 246, .09) 0%, transparent 55%),
        var(--bg);
}
.auth-card {
    width: 100%;
    max-width: 420px;
}
.auth-card.wide { max-width: 560px; }
.auth-brand {
    text-align: center;
    margin-bottom: 28px;
}
.auth-logo {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-vivid) 100%);
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 16px;
    box-shadow: 0 12px 28px -6px rgba(99, 102, 241, .42), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.auth-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -.5px;
    color: var(--text);
    line-height: 1.2;
}
.auth-sub {
    color: var(--text-muted);
    font-size: 13.5px;
    margin-top: 6px;
}
.auth-box {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: 0 30px 80px -20px rgba(15, 23, 42, .18), 0 12px 24px -8px rgba(15, 23, 42, .08);
    position: relative;
    overflow: hidden;
}
.auth-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand), var(--brand-vivid));
}
.auth-body { padding: 36px 36px 30px; }
.auth-section {
    padding: 26px 36px;
    border-bottom: 1px solid var(--border);
}
.auth-section:last-of-type { border-bottom: none; }
.auth-section-title {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: .2px;
}
.auth-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px; height: 26px;
    background: linear-gradient(135deg, var(--brand), var(--brand-vivid));
    border-radius: 8px;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 4px 10px -2px rgba(99, 102, 241, .42);
}
.auth-actions {
    padding: 20px 36px;
    background: var(--bg-subtle);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.auth-actions .btn { padding: 11px 26px; font-weight: 600; }
.auth-hint { font-size: 12.5px; color: var(--text-muted); }
.auth-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--text-dim);
    font-size: 11.5px;
    line-height: 1.8;
}
.auth-footer strong { color: var(--text-muted); font-weight: 600; }
@media (max-width: 480px) {
    .auth-body { padding: 28px 22px; }
    .auth-section { padding: 22px 22px; }
    .auth-actions { padding: 18px 22px; }
}

/* ─────────────────────────────────────────────────────────────────────────
   MOBILE SUPPORT
   ───────────────────────────────────────────────────────────────────────── */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    background: none;
    border: none;
    transition: background .15s;
}
.hamburger:hover { background: var(--bg-muted); }
.hamburger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-muted);
    border-radius: 2px;
    transition: var(--t);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, .42);
    z-index: 99;
    backdrop-filter: blur(2px);
}
.sidebar-overlay.show { display: block; }

/* ─────────────────────────────────────────────────────────────────────────
   UTILITIES
   ───────────────────────────────────────────────────────────────────────── */
.scroll-x { overflow-x: auto; }
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }
.faint { color: var(--text-faint); }
.code-inline {
    font-family: 'SF Mono', 'Fira Code', ui-monospace, monospace;
    font-size: 12.5px;
    background: var(--bg-muted);
    padding: 1px 6px;
    border-radius: 4px;
    color: var(--brand-strong);
}
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-dim);
}
.empty-state .icon { margin: 0 auto 12px; color: var(--text-faint); }
.empty-state-title { font-size: 14px; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; }

.tdk-row { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media(min-width: 900px) { .tdk-row { grid-template-columns: 1fr 1fr 1fr; } }
.quick-actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* ─────────────────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform .28s ease;
        z-index: 101;
    }
    .sidebar.open { transform: translateX(0); box-shadow: 8px 0 32px -4px rgba(15, 23, 42, .25); }
    .topbar { left: 0; padding: 0 16px; }
    .hamburger { display: flex; }
    .topbar-breadcrumb { display: none; }
    .main-content {
        margin-left: 0;
        padding: calc(var(--topbar-h) + 16px) 14px 28px;
        max-width: 100vw;
    }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-card { padding: 16px; gap: 12px; }
    .stat-card-icon { width: 38px; height: 38px; }
    .stat-num { font-size: 22px; }
    .action-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .action-card { padding: 14px; gap: 12px; }
    .action-card .icon-box { width: 40px; height: 40px; min-width: 40px; }
    .action-arrow { display: none; }
    .action-desc { display: none; }
    .tdk-row { grid-template-columns: 1fr; }
    .scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .scroll-x .table { min-width: 560px; }
    .batch-toolbar { flex-wrap: wrap; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .page-header > div { width: 100%; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-num { font-size: 20px; }
    .main-content { padding: calc(var(--topbar-h) + 12px) 12px 24px; }
    .card-body { padding: 16px; }
    .user-chip span { display: none; }
}

/* =========================================================================
   响应式补丁 — 长文本 / 长 URL 在小屏正确换行 (site_import/index/resources/links)
   ========================================================================= */

/* 通用：表格单元里的长 URL/标题不会撑爆容器 */
.table td { word-break: break-word; overflow-wrap: anywhere; }
.table td a { word-break: break-all; overflow-wrap: anywhere; }

/* 资源管理：name-cell 在中等屏幕上限缩窄 */
.res-name-cell { min-width: 0 !important; max-width: 100% !important; flex: 1; }
.res-name-cell strong, .res-name-cell small {
    overflow: hidden; text-overflow: ellipsis;
    display: block; max-width: 100%;
}
.res-name-cell strong {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    white-space: normal;
    line-height: 1.45;
}

/* 资源管理筛选条在窄屏垂直堆叠 */
@media (max-width: 768px) {
    .res-filter { width: 100%; }
    .res-filter input,
    .res-filter select { flex: 1; min-width: 130px; }
    .res-tabs { width: 100%; overflow-x: auto; }
    .res-tab { white-space: nowrap; flex-shrink: 0; }
}

/* 友情链接 / 资源管理：详情 row 文字断行 */
.detail-meta .row-value { word-break: break-word; overflow-wrap: anywhere; }
.detail-meta { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)) !important; }

.play-url-box { word-break: break-all; }

/* 站点导入：textarea 在窄屏适当变小 */
.import-textarea { font-size: 12px !important; }
@media (max-width: 768px) {
    .import-textarea { min-height: 200px !important; }
    .code-block { font-size: 11px; padding: 12px 14px; word-break: break-all; }
    .format-list li { font-size: 12.5px; line-height: 1.8; }
}

/* 仪表盘：stat / action 卡片防溢出 */
.stat-card-body { min-width: 0; overflow: hidden; }
.stat-card-body .stat-num { word-break: break-all; line-height: 1.1; }
.stat-card-body .stat-label { word-break: keep-all; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* page-header 在小屏垂直布局，并且让标题/副标题完整显示 */
.page-header { gap: 16px; align-items: flex-start; }
.page-header > div:first-child { min-width: 0; flex: 1; }
.page-header .page-subtitle { white-space: normal; word-break: break-word; }

/* 友情链接表格里的 URL 列宽限制 */
.table td a[target="_blank"] {
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: middle;
}

/* 状态徽章 / dot 在 inline 流里不被挤变形 */
.status-dot, .badge { flex-shrink: 0; }

/* alert 文字断行 */
.alert { word-break: break-word; overflow-wrap: anywhere; }
.alert span { min-width: 0; flex: 1; }

/* 仪表盘 quick action 描述在中等屏幕也能换行 */
@media (max-width: 1100px) {
    .action-desc { white-space: normal; line-height: 1.5; }
}

/* 较大表格在屏宽不够时优雅地左右滚动 */
.card .scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.card .scroll-x .table { min-width: 100%; }

/* 长标题不会让单元格被无限拉宽 */
.table th, .table td { max-width: 360px; }
@media (min-width: 1200px) {
    .table th, .table td { max-width: 480px; }
}

/* 内联代码片段在窄屏断行 */
code, .code-inline { word-break: break-all; }

/* =========================================================================
   page-subtitle 强化响应式
   ========================================================================= */

/* page-header 让标题区域可以收缩，副标题完整显示 */
.page-header { align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.page-header > div:first-of-type {
    min-width: 0;
    flex: 1 1 200px;
    overflow: hidden;
}
.page-title {
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
    line-height: 1.25;
}
.page-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
    margin-bottom: 0;
    line-height: 1.55;
    word-break: break-word;
    overflow-wrap: anywhere;
    white-space: normal;
    display: block;
}
.page-subtitle strong { color: var(--text); font-weight: 600; }
.page-subtitle code { word-break: break-all; }

@media (max-width: 768px) {
    .page-header { flex-direction: column; align-items: stretch; }
    .page-header > div:first-of-type { width: 100%; flex: 1 1 auto; }
    .page-header form,
    .page-header .btn-row,
    .page-header > a.btn,
    .page-header > div:not(:first-of-type) { width: 100%; }
    .page-header form select,
    .page-header form input { width: 100% !important; min-width: 0 !important; }
    .page-header .btn-row,
    .page-header > div:not(:first-of-type) { display: flex; flex-direction: column; gap: 8px; }
    .page-header .btn-row .btn,
    .page-header > div:not(:first-of-type) .btn { width: 100%; }
    .page-subtitle { font-size: 12.5px; }
}

@media (max-width: 480px) {
    .page-title { font-size: 19px; }
    .page-subtitle { font-size: 12px; }
}