:root{
    --zf-shell: 1140px;
    --zf-bg: #090d14;
    --zf-bg-soft: #0d1522;
    --zf-panel: rgba(16, 24, 38, .92);
    --zf-panel-strong: rgba(15, 23, 42, .96);
    --zf-line: rgba(148, 163, 184, .16);
    --zf-line-strong: rgba(148, 163, 184, .22);
    --zf-text: #f8fafc;
    --zf-muted: #94a3b8;
    --zf-primary: #2f8cff;
    --zf-primary-soft: rgba(47, 140, 255, .14);
    --zf-chip: rgba(255,255,255,.04);
    --zf-shadow: 0 22px 60px rgba(0,0,0,.28);
}
html[data-theme="light"]{
    --zf-bg: #f4f7fb;
    --zf-bg-soft: #edf3fa;
    --zf-panel: rgba(255,255,255,.95);
    --zf-panel-strong: rgba(255,255,255,.98);
    --zf-line: rgba(15, 23, 42, .08);
    --zf-line-strong: rgba(15, 23, 42, .12);
    --zf-text: #0f172a;
    --zf-muted: #64748b;
    --zf-chip: #f8fafc;
    --zf-shadow: 0 18px 50px rgba(15,23,42,.08);
}
body[data-density="compact"]{
    --zf-row-main-pad: 8px 10px;
    --zf-row-space: 10px;
    --zf-row-icon: 42px;
    --zf-row-icon-font: 21px;
    --zf-row-title: 15px;
    --zf-row-sub: 12px;
    --zf-row-size: 14px;
    --zf-row-size-width: 96px;
    --zf-row-border-radius: 14px;
}
body[data-density="normal"]{
    --zf-row-main-pad: 10px 12px;
    --zf-row-space: 12px;
    --zf-row-icon: 48px;
    --zf-row-icon-font: 23px;
    --zf-row-title: 17px;
    --zf-row-sub: 12px;
    --zf-row-size: 15px;
    --zf-row-size-width: 104px;
    --zf-row-border-radius: 16px;
}
body[data-density="large"]{
    --zf-row-main-pad: 12px 14px;
    --zf-row-space: 14px;
    --zf-row-icon: 54px;
    --zf-row-icon-font: 26px;
    --zf-row-title: 19px;
    --zf-row-sub: 13px;
    --zf-row-size: 16px;
    --zf-row-size-width: 112px;
    --zf-row-border-radius: 18px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body.front-site{
    min-height:100vh;
    background: radial-gradient(circle at top, rgba(47,140,255,.15), transparent 26%), linear-gradient(180deg, var(--zf-bg-soft), var(--zf-bg));
    color:var(--zf-text);
    font:14px/1.6 "PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;}
button{outline:none;}
.zfront-shell{width:min(var(--zf-shell), calc(100% - 24px));margin:0 auto;}
.zfront-header{padding:14px 0 10px;position:sticky;top:0;z-index:40;background:linear-gradient(180deg, rgba(9,13,20,.9), rgba(9,13,20,.4), transparent);backdrop-filter:blur(12px);}
html[data-theme="light"] .zfront-header{background:linear-gradient(180deg, rgba(244,247,251,.94), rgba(244,247,251,.5), transparent);}
.zfront-topbar,
.zfront-directory__bar{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.zfront-brand{display:flex;align-items:center;gap:14px;min-width:0;}
.zfront-brand__icon{width:52px;height:52px;border-radius:16px;background:#fff;object-fit:cover;box-shadow:0 8px 24px rgba(0,0,0,.18);}
.zfront-brand__title{font-size:20px;font-weight:700;line-height:1.2;}
.zfront-brand__desc{font-size:13px;color:var(--zf-muted);margin-top:4px;}
.zfront-topbar__right{display:flex;align-items:center;gap:10px;}
.zfront-login-link,
.zfront-theme-toggle{
    height:42px;
    border-radius:14px;
    border:1px solid var(--zf-line);
    background:var(--zf-panel);
    box-shadow:var(--zf-shadow);
}
.zfront-login-link{display:inline-flex;align-items:center;justify-content:center;padding:0 16px;white-space:nowrap;}
.zfront-theme-toggle{width:42px;display:inline-flex;align-items:center;justify-content:center;color:var(--zf-primary);cursor:pointer;}
html[data-theme="dark"] .zfront-theme-toggle__sun,
html[data-theme="light"] .zfront-theme-toggle__moon{display:none;}
.zfront-main{padding:6px 0 24px;}
.zfront-directory,
.zfront-note-panel{display:grid;gap:14px;}
.zfront-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:18px;font-weight:600;min-width:0;}
.zfront-breadcrumbs a{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.zfront-breadcrumbs span{color:var(--zf-muted);}
.zfront-search-inline-wrap{flex:1;display:flex;justify-content:flex-end;min-width:0;}
.zfront-search-inline{
    width:min(420px,100%);
    display:flex;
    align-items:center;
    gap:10px;
    height:46px;
    padding:0 14px;
    border:1px solid var(--zf-line);
    border-radius:16px;
    background:var(--zf-panel);
    box-shadow:var(--zf-shadow);
}
.zfront-search-inline i{color:var(--zf-muted);}
.zfront-search-inline input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--zf-text);}
.zfront-search-inline button{height:34px;padding:0 14px;border:0;border-radius:10px;background:var(--zf-primary);color:#fff;font-weight:600;cursor:pointer;}
.zfront-search-summary,
.zfront-directory__meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--zf-muted);font-size:13px;}
.zfront-search-summary,
.zfront-directory__meta span,
.zfront-directory__meta a{padding:8px 12px;border-radius:999px;border:1px solid var(--zf-line);background:var(--zf-panel);box-shadow:var(--zf-shadow);}
.zfront-list-panel,
.zfront-note-panel,
.zfront-footer__inner,
.zpreview-panel{background:var(--zf-panel);border:1px solid var(--zf-line);border-radius:22px;box-shadow:var(--zf-shadow);}
.zfront-list-panel{overflow:hidden;}
.zfront-list-panel__head,
.zfront-row{display:grid;grid-template-columns:minmax(0,1fr) var(--zf-row-size-width);gap:10px;align-items:center;}
.zfront-list-panel__head{padding:16px 18px 10px;color:var(--zf-muted);font-size:13px;font-weight:700;letter-spacing:.02em;}
.zfront-list-panel__head > :last-child,
.zfront-row__size{text-align:right;}
.zfront-row{padding:4px 10px;}
.zfront-row + .zfront-row{border-top:1px solid var(--zf-line);}
.zfront-row:hover{background:rgba(255,255,255,.025);}
html[data-theme="light"] .zfront-row:hover{background:#f8fbff;}
.zfront-row__main{min-width:0;}
.zfront-row__click{
    width:100%;
    display:flex;
    align-items:center;
    gap:var(--zf-row-space);
    min-width:0;
    padding:var(--zf-row-main-pad);
    border:0;
    border-radius:var(--zf-row-border-radius);
    background:transparent;
    color:var(--zf-text);
    text-align:left;
    cursor:pointer;
}
.zfront-row:hover .zfront-row__click{background:rgba(255,255,255,.035);}
html[data-theme="light"] .zfront-row:hover .zfront-row__click{background:#f8fafc;}
.zfront-row__icon{
    width:var(--zf-row-icon);
    height:var(--zf-row-icon);
    flex:0 0 var(--zf-row-icon);
    border-radius:14px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:rgba(255,255,255,.05);
    color:#cbd5e1;
    font-size:var(--zf-row-icon-font);
}
.zfront-row__icon.is-folder{background:rgba(47,140,255,.12);color:#2f8cff;}
html[data-theme="light"] .zfront-row__icon{background:#f1f5f9;color:#475569;}
html[data-theme="light"] .zfront-row__icon.is-folder{background:#dbeafe;color:#2563eb;}
.zfront-row__text{display:flex;flex-direction:column;gap:3px;min-width:0;}
.zfront-row__title{font-size:var(--zf-row-title);font-weight:600;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.zfront-row__sub{font-size:var(--zf-row-sub);color:var(--zf-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.zfront-row__size{font-size:var(--zf-row-size);font-weight:600;color:rgba(255,255,255,.92);white-space:nowrap;padding-right:8px;}
html[data-theme="light"] .zfront-row__size{color:#0f172a;}
.zfront-empty{padding:26px 18px;text-align:center;color:var(--zf-muted);}
.zfront-note-panel{overflow:hidden;}
.zfront-note-panel__head{padding:16px 18px;border-bottom:1px solid var(--zf-line);font-weight:700;}
.zfront-note-panel__body{padding:18px;}
.zfront-markdown{color:var(--zf-text);word-break:break-word;}
.zfront-markdown h1,.zfront-markdown h2,.zfront-markdown h3,.zfront-markdown h4{margin:1em 0 .5em;line-height:1.4;}
.zfront-markdown p,.zfront-markdown ul,.zfront-markdown ol,.zfront-markdown blockquote{margin:.8em 0;}
.zfront-markdown table{width:100%;border-collapse:collapse;display:block;overflow:auto;}
.zfront-markdown th,.zfront-markdown td{padding:10px 12px;border:1px solid var(--zf-line);}
.zfront-markdown th{background:rgba(255,255,255,.05);}
html[data-theme="light"] .zfront-markdown th{background:#f8fafc;}
.zfront-markdown code{padding:2px 6px;border-radius:6px;background:rgba(255,255,255,.08);}
html[data-theme="light"] .zfront-markdown code{background:#f3f4f6;}
.zfront-markdown pre{padding:14px;border-radius:14px;background:#050b14;color:#e5e7eb;overflow:auto;}
.zfront-markdown pre code{padding:0;background:transparent;color:inherit;}
.zfront-markdown blockquote{padding:10px 12px;border-left:4px solid var(--zf-primary);background:rgba(255,255,255,.04);}
html[data-theme="light"] .zfront-markdown blockquote{background:#f8fafc;}
.zfront-footer{padding:18px 0 28px;}
.zfront-footer__inner{padding:14px 16px;color:var(--zf-muted);}
.zfront-footer__inner a{color:var(--zf-primary);}

.zfront-loader{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:rgba(6,10,16,.78);backdrop-filter:blur(6px);opacity:1;visibility:visible;transition:.22s ease;}
.zfront-loader.is-hidden{opacity:0;visibility:hidden;pointer-events:none;}
.zfront-loader__spinner{width:54px;height:54px;border-radius:50%;border:3px solid rgba(255,255,255,.16);border-top-color:var(--zf-primary);animation:zfrontSpin .85s linear infinite;}
.zfront-loader__text{color:#fff;font-size:14px;letter-spacing:.08em;}
@keyframes zfrontSpin{to{transform:rotate(360deg);}}

.zfront-modal[hidden]{display:none !important;}
.zfront-modal{position:fixed;inset:0;z-index:10000;}
.zfront-modal__mask{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);}
.zfront-modal__panel{position:relative;z-index:1;width:min(460px, calc(100% - 24px));margin:12vh auto 0;background:var(--zf-panel-strong);border:1px solid var(--zf-line);border-radius:22px;box-shadow:var(--zf-shadow);overflow:hidden;}
.zfront-modal__head,.zfront-modal__foot{padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.zfront-modal__head{border-bottom:1px solid var(--zf-line);font-weight:700;}
.zfront-modal__body{padding:18px 16px;color:var(--zf-text);}
.zfront-modal__title{font-size:18px;font-weight:700;line-height:1.55;}
.zfront-modal__text{margin-top:10px;color:var(--zf-muted);line-height:1.8;white-space:pre-wrap;}
.zfront-modal__close,.zfront-modal__btn{border:1px solid var(--zf-line);background:var(--zf-chip);color:var(--zf-text);border-radius:12px;cursor:pointer;}
.zfront-modal__close{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;}
.zfront-modal__btn{height:40px;padding:0 18px;font-weight:600;}

.zfront-file-modal__panel{width:min(560px, calc(100% - 24px));}
.zfront-file-card{display:grid;gap:14px;}
.zfront-file-card__title{font-size:20px;font-weight:700;line-height:1.5;word-break:break-word;}
.zfront-file-card__path{font-size:13px;color:var(--zf-muted);word-break:break-all;}
.zfront-file-meta{display:grid;grid-template-columns:repeat(2, minmax(0,1fr));gap:10px;}
.zfront-file-meta__item{padding:12px 14px;border-radius:16px;background:var(--zf-chip);border:1px solid var(--zf-line);display:grid;gap:6px;min-width:0;}
.zfront-file-meta__item span{font-size:12px;color:var(--zf-muted);}
.zfront-file-meta__item strong{font-size:14px;line-height:1.6;word-break:break-all;}
.zfront-file-actions{display:flex;flex-wrap:wrap;gap:10px;}
.zfront-file-btn{height:40px;padding:0 16px;border-radius:12px;border:1px solid var(--zf-line);background:var(--zf-chip);color:var(--zf-text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;}
.zfront-file-btn.is-primary{background:var(--zf-primary);border-color:var(--zf-primary);color:#fff;}
.zfront-file-qr-wrap{padding:14px;border-radius:18px;background:rgba(47,140,255,.06);border:1px solid rgba(47,140,255,.16);display:grid;justify-items:center;gap:10px;}
.zfront-file-qr__title{font-weight:700;}
.zfront-file-qr{width:220px;height:220px;background:#fff;border-radius:18px;padding:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.zfront-file-qr img{max-width:100%;max-height:100%;display:block;}
.zfront-file-qr__tip{font-size:12px;color:var(--zf-muted);text-align:center;}

.zpreview-body{margin:0;min-height:100vh;background:var(--zf-bg);color:var(--zf-text);font:14px/1.7 "PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;}
.zpreview-wrap{width:min(1100px, calc(100% - 24px));margin:0 auto;padding:18px 0;}
.zpreview-head{padding:16px 18px;border-bottom:1px solid var(--zf-line);}
.zpreview-head h1{margin:0;font-size:18px;}
.zpreview-head p{margin:6px 0 0;color:var(--zf-muted);word-break:break-all;}
.zpreview-body-inner{padding:18px;}
.zpreview-code{margin:0;white-space:pre-wrap;word-break:break-word;font:13px/1.8 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;}
.zpreview-player{width:100%;min-height:calc(100vh - 80px);background:#000;border-radius:0 0 24px 24px;overflow:hidden;}

@media (max-width: 920px){
    .zfront-topbar,.zfront-directory__bar{flex-direction:column;align-items:stretch;}
    .zfront-topbar__right{justify-content:flex-end;}
    .zfront-search-inline-wrap,.zfront-search-inline{width:100%;}
}
@media (max-width: 640px){
    .zfront-shell{width:min(var(--zf-shell), calc(100% - 14px));}
    .zfront-header{padding-top:10px;}
    .zfront-brand__icon{width:46px;height:46px;border-radius:14px;}
    .zfront-brand__title{font-size:18px;}
    .zfront-brand__desc{display:none;}
    .zfront-breadcrumbs{font-size:16px;}
    .zfront-list-panel__head,
    .zfront-row{grid-template-columns:minmax(0,1fr) 64px;gap:8px;}
    .zfront-list-panel__head{padding:14px 14px 8px;}
    body[data-density="compact"]{--zf-row-icon:38px;--zf-row-icon-font:20px;--zf-row-title:15px;--zf-row-size:13px;--zf-row-main-pad:8px 8px;}
    body[data-density="normal"]{--zf-row-icon:42px;--zf-row-icon-font:22px;--zf-row-title:16px;--zf-row-size:14px;--zf-row-main-pad:9px 9px;}
    body[data-density="large"]{--zf-row-icon:46px;--zf-row-icon-font:24px;--zf-row-title:17px;--zf-row-size:15px;--zf-row-main-pad:10px 10px;}
    .zfront-row__sub{white-space:normal;line-height:1.45;}
    .zfront-file-meta{grid-template-columns:1fr;}
    .zfront-file-actions{display:grid;grid-template-columns:1fr 1fr;}
    .zfront-file-btn{width:100%;}
    .zfront-file-qr{width:min(220px, 100%);height:auto;aspect-ratio:1 / 1;}
    .zfront-modal__panel,.zfront-file-modal__panel{margin-top:8vh;}
}

.zfront-upload-link{background:rgba(47,140,255,.12);border-color:rgba(47,140,255,.24);color:var(--zf-primary);}
.zfront-detail-card,.zfront-upload-card{background:var(--zf-panel);border:1px solid var(--zf-line);border-radius:22px;box-shadow:var(--zf-shadow);padding:22px;margin-bottom:18px;}
.zfront-page-hero{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:18px;}
.zfront-page-hero--detail{margin-bottom:20px;}
.zfront-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid rgba(47,140,255,.22);background:rgba(47,140,255,.1);color:var(--zf-primary);font-size:12px;font-weight:700;}
.zfront-stat-stack{display:grid;grid-template-columns:repeat(3,minmax(120px,1fr));gap:10px;min-width:min(100%,380px);flex:1;}
.zfront-stat-card{padding:14px 16px;border-radius:18px;border:1px solid var(--zf-line);background:var(--zf-chip);display:grid;gap:8px;min-width:0;}
.zfront-stat-card span{font-size:12px;color:var(--zf-muted);}
.zfront-stat-card strong{font-size:16px;line-height:1.35;word-break:break-word;}
.zfront-upload-form{padding:18px;border-radius:20px;border:1px solid var(--zf-line);background:rgba(255,255,255,.03);}
html[data-theme="light"] .zfront-upload-form{background:#fcfdff;}
.zfront-detail-hero{display:flex;align-items:flex-start;gap:14px;min-width:0;flex:1;}
.zfront-detail-hero__icon{width:60px;height:60px;flex:0 0 60px;border-radius:18px;display:flex;align-items:center;justify-content:center;background:rgba(47,140,255,.12);color:var(--zf-primary);font-size:26px;}
.zfront-detail-hero__text{min-width:0;}
.zfront-detail-top{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:18px;}
.zfront-detail-title{margin:0;font-size:28px;line-height:1.28;word-break:break-word;}
.zfront-detail-path{margin:8px 0 0;color:var(--zf-muted);word-break:break-all;}
.zfront-detail-actions{display:flex;flex-wrap:wrap;gap:10px;}
.zfront-detail-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;margin-bottom:18px;}
.zfront-detail-grid--balanced{align-items:start;}
.zfront-detail-section{padding:16px;border-radius:18px;border:1px solid var(--zf-line);background:var(--zf-chip);}
.zfront-detail-section h3{margin:0 0 12px;font-size:16px;}
.zfront-detail-desc{color:var(--zf-text);line-height:1.9;white-space:pre-wrap;word-break:break-word;}
.zfront-detail-preview{padding:16px;border-radius:18px;border:1px solid var(--zf-line);background:var(--zf-chip);}
.zfront-preview-frame{width:100%;height:720px;border:0;border-radius:16px;background:#fff;}
.zfront-preview-image{width:100%;max-height:820px;object-fit:contain;border-radius:16px;background:#fff;}
.zfront-upload-note{margin:0 0 16px;color:var(--zf-muted);line-height:1.8;}
.zfront-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.zfront-form-grid .is-full{grid-column:1 / -1;}
.zfront-form-field{display:grid;gap:8px;}
.zfront-form-field span{font-size:13px;color:var(--zf-muted);}
.zfront-form-field input,.zfront-form-field textarea{width:100%;border:1px solid var(--zf-line);background:rgba(255,255,255,.04);color:var(--zf-text);border-radius:14px;padding:12px 14px;outline:none;}
html[data-theme="light"] .zfront-form-field input,html[data-theme="light"] .zfront-form-field textarea{background:#fff;}
.zfront-form-field input:focus,.zfront-form-field textarea:focus{border-color:rgba(47,140,255,.42);box-shadow:0 0 0 3px rgba(47,140,255,.12);}
.zfront-upload-actions{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap;}
.zfront-submit-btn{height:42px;padding:0 18px;border-radius:14px;border:0;background:var(--zf-primary);color:#fff;font-weight:700;cursor:pointer;}
.zfront-subtle-link{height:42px;padding:0 16px;border-radius:14px;border:1px solid var(--zf-line);background:var(--zf-chip);display:inline-flex;align-items:center;}
.zfront-tip-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px;}
.zfront-tip-card{padding:16px;border-radius:18px;border:1px solid var(--zf-line);background:var(--zf-chip);}
.zfront-tip-card strong{display:block;margin-bottom:8px;font-size:15px;}
.zfront-tip-card p{margin:0;color:var(--zf-muted);line-height:1.8;}
.zfront-upload-note code,.zfront-tip-card code{padding:2px 6px;border-radius:8px;background:rgba(255,255,255,.08);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;}
html[data-theme="light"] .zfront-upload-note code,html[data-theme="light"] .zfront-tip-card code{background:#eef2ff;color:#1d4ed8;}
.zfront-info-list{display:grid;gap:12px;}
.zfront-info-list__item{padding:12px 14px;border-radius:14px;border:1px solid var(--zf-line);background:rgba(255,255,255,.03);display:grid;gap:6px;}
html[data-theme="light"] .zfront-info-list__item{background:#fff;}
.zfront-info-list__item span{font-size:12px;color:var(--zf-muted);}
.zfront-info-list__item strong{font-size:14px;line-height:1.7;word-break:break-all;}
.zfront-qr-inline{width:220px;height:220px;background:#fff;border-radius:18px;padding:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.zfront-qr-inline img{max-width:100%;max-height:100%;display:block;}
.zfront-file-meta--single{grid-template-columns:repeat(2,minmax(0,1fr));}
.zfront-file-meta--detail{grid-template-columns:repeat(3,minmax(0,1fr));}

.zfront-detail-actions--grid{display:grid;grid-template-columns:repeat(2,minmax(112px,132px));gap:10px;align-content:start}
.zfront-file-btn--tile{min-height:92px;padding:12px 10px;border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center}
.zfront-file-btn--tile i{font-size:20px;line-height:1}
.zfront-file-btn--tile span{font-size:13px;line-height:1.4;font-weight:700}
.zfront-file-meta__item--wide{grid-column:1 / -1}
.zfront-file-meta__desc{font-weight:600;line-height:1.8;white-space:pre-wrap;word-break:break-word}
#zfrontDownloadCard,#zfrontUploadCard{display:none}
#zfrontDownloadCard.is-active,#zfrontUploadCard.is-active{display:block}
@media (max-width: 980px){
    .zfront-stat-stack,.zfront-tip-grid,.zfront-file-meta--detail{grid-template-columns:1fr;}
}
@media (max-width: 860px){
    .zfront-detail-grid{grid-template-columns:1fr;}
}
@media (max-width: 640px){
    .zfront-detail-card,.zfront-upload-card{padding:16px;}
    .zfront-detail-title{font-size:22px;}
    .zfront-form-grid{grid-template-columns:1fr;}
    .zfront-preview-frame{height:520px;}
    .zfront-file-meta--single,.zfront-file-meta--detail,.zfront-detail-actions--grid{grid-template-columns:1fr;}
    .zfront-file-btn--tile{min-height:84px;}
    .zfront-detail-hero__icon{width:52px;height:52px;flex-basis:52px;font-size:22px;border-radius:16px;}
}

.alert{padding:12px 14px;border-radius:14px;margin:0 0 16px;border:1px solid;}
.alert-success{background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.26);color:#86efac;}
.alert-error{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.26);color:#fca5a5;}
html[data-theme="light"] .alert-success{color:#166534;background:#f0fdf4;border-color:#bbf7d0;}
html[data-theme="light"] .alert-error{color:#991b1b;background:#fef2f2;border-color:#fecaca;}

.zfront-brand__online{margin-top:6px;display:inline-flex;align-items:center;gap:8px;color:var(--zf-muted);font-size:13px;}
.zfront-brand__online .fa{font-size:9px;color:#22c55e;}
.zfront-transfer-card{margin-top:18px;padding:14px 16px;border-radius:18px;border:1px solid var(--zf-line);background:var(--zf-chip);}
.zfront-transfer-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;font-size:14px;}
.zfront-progress{position:relative;height:10px;border-radius:999px;background:rgba(148,163,184,.18);overflow:hidden;}
.zfront-progress span{display:block;height:100%;border-radius:999px;background:var(--zf-primary);width:0;transition:width .18s ease;}
.zfront-transfer-metrics{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;color:var(--zf-muted);font-size:13px;}
.zfront-file-btn.is-disabled{opacity:.65;pointer-events:none;}


.zfront-brand__online{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.zfront-brand__online-dot{animation:zfrontPulse 1.6s ease-in-out infinite}
.zfront-brand__online em{font-style:normal;font-size:12px;color:var(--zf-muted);padding:2px 8px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--zf-line)}
@keyframes zfrontPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.86)}}