:root{--text-soft:#2f4a4c;--panel-bg:linear-gradient(180deg,#ffffff,#f6faf9);--table-head:#eff6ff;--table-row:#ffffff;--table-row-alt:#f6faf9;--chip-border:rgba(148,163,184,.20)}
html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"]{--text-soft:#c6d4d2;--panel-bg:linear-gradient(180deg, rgba(15,23,42,.82), rgba(2,6,23,.92));--table-head:rgba(37,99,235,.14);--table-row:rgba(255,255,255,.025);--table-row-alt:rgba(255,255,255,.045);--chip-border:rgba(148,163,184,.18)}
.tool-app *{box-sizing:border-box}
.tool-app button,.tool-app input,.tool-app select,.tool-app textarea{font:inherit}
.tool-app button{-webkit-tap-highlight-color:transparent}
.hero{max-width:1200px;margin:0 auto;padding:24px 16px 10px}
.hero h1{margin:0 0 8px;font-size:clamp(2rem,3vw,3rem);line-height:1.04;letter-spacing:-.03em;background:linear-gradient(90deg,var(--accent1),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{margin:0;max-width:920px;color:var(--muted);line-height:1.78}
.top-row{max-width:1200px;margin:0 auto 18px;padding:0 16px;display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
.info-card,.upload-card,.toolbar-card,.summary-card,.result-shell,.tips-card{border:1px solid var(--border);background:var(--surface);border-radius:26px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.info-card{padding:24px;display:flex;flex-direction:column;justify-content:center}
.info-title{margin:0 0 10px;font-size:1.22rem;color:var(--text)}
.info-text{margin:0;color:var(--muted);line-height:1.78}
.info-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.info-tags span{padding:9px 13px;border-radius:999px;border:1px solid var(--border);background:var(--surface-soft);color:var(--text);font-size:.8rem;font-weight:700}
.upload-card{padding:18px}
.upload-inner{min-height:245px;border:1.6px dashed rgba(99,102,241,.34);border-radius:22px;display:flex;align-items:center;justify-content:center;text-align:center;padding:28px 18px;flex-direction:column;gap:10px;background:var(--upload-bg);transition:border-color .25s ease, transform .18s ease, box-shadow .25s ease}
.upload-inner.dragover{border-color:rgba(99,102,241,.72);box-shadow:0 0 0 4px rgba(99,102,241,.11), 0 24px 50px rgba(37,99,235,.10);transform:translateY(-2px)}
.upload-icon{width:76px;height:76px;display:grid;place-items:center;border-radius:24px;font-size:2rem;border:1px solid var(--border);background:linear-gradient(135deg, rgba(37,99,235,.16), rgba(124,58,237,.16));box-shadow:0 16px 30px rgba(37,99,235,.12)}
.upload-inner h2{margin:4px 0 0;font-size:1.34rem;color:var(--text)}
.upload-inner p{margin:0;color:var(--muted)}
.upload-note{display:inline-flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:6px;color:var(--muted);font-size:.82rem}
.toolbar-wrap{max-width:1200px;margin:0 auto 18px;padding:0 16px}
.toolbar-card{padding:18px;position:sticky;top:72px;z-index:40}
.toolbar-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.toolbar-title{display:flex;flex-direction:column;gap:4px}
.toolbar-title h3{margin:0;color:var(--text);font-size:1.08rem}
.toolbar-title p{margin:0;color:var(--muted);font-size:.82rem}
.inline-status{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface-soft);color:var(--text);font-size:.78rem;font-weight:700}
.toolbar-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.toolbar-extra{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:10px}
.toolbar-field{display:flex;flex-direction:column;gap:6px}
.toolbar-field label{font-size:.77rem;font-weight:800;color:var(--text)}
.toolbar-field input,.toolbar-field select,.toolbar-field textarea{width:100%;min-height:46px;border-radius:15px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--input-text);padding:11px 13px;font-size:.9rem;outline:none;transition:border-color .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease}
.toolbar-field input::placeholder,.toolbar-field textarea::placeholder{color:var(--placeholder)}
.toolbar-field input:hover,.toolbar-field select:hover,.toolbar-field textarea:hover{border-color:rgba(37,99,235,.34)}
.toolbar-field input:focus,.toolbar-field select:focus,.toolbar-field textarea:focus{border-color:var(--accent1);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.toolbar-field select{appearance:none;-webkit-appearance:none;-moz-appearance:none;cursor:pointer;padding-right:46px;background-image:linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);background-position:calc(100% - 19px) calc(50% - 3px), calc(100% - 13px) calc(50% - 3px);background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.toolbar-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}
.btn-primary,.btn-outline,.btn-ghost{min-height:46px;border-radius:15px;padding:0 16px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:.92rem;font-weight:800;line-height:1;cursor:pointer;user-select:none;white-space:nowrap;transition:transform .16s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease, color .18s ease, opacity .18s ease}
.btn-primary{color:var(--btn-primary-text);background:var(--accent-grad);border-color:rgba(255,255,255,.08);box-shadow:0 12px 26px rgba(37,99,235,.22)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 34px rgba(37,99,235,.28)}
.btn-outline{color:var(--btn-outline-text);background:var(--btn-outline-bg);border-color:var(--btn-outline-border)}
.btn-outline:hover{transform:translateY(-1px);background:rgba(37,99,235,.14)}
.btn-ghost{color:var(--btn-ghost-text);background:var(--btn-ghost-bg);border-color:var(--btn-ghost-border)}
.btn-ghost:hover{transform:translateY(-1px);background:var(--surface-soft)}
.btn-primary:disabled,.btn-outline:disabled,.btn-ghost:disabled{opacity:.55;cursor:not-allowed;transform:none !important;box-shadow:none !important}
.progress-row{width:100%;display:flex;align-items:center;gap:12px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}
.progress-bar{flex:1;height:8px;border-radius:999px;overflow:hidden;background:rgba(148,163,184,.18)}
.progress-bar > div{width:0%;height:100%;background:var(--accent-grad);transition:width .22s ease}
#progressText{min-width:220px;text-align:right;color:var(--muted);font-size:.79rem}
.summary-wrap{max-width:1200px;margin:0 auto 18px;padding:0 16px;display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.summary-card{padding:16px}
.summary-card small{display:block;margin-bottom:6px;color:var(--muted);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}
.summary-card strong{display:block;color:var(--text);font-size:1.08rem}
.workspace{max-width:1200px;margin:0 auto 18px;padding:0 16px}
.result-shell{padding:18px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.panel-head-left{display:flex;flex-direction:column;gap:4px}
.panel-head-left h3{margin:0;color:var(--text);font-size:1.08rem}
.panel-head-left p{margin:0;color:var(--muted);font-size:.82rem}
.panel-head-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.preview-wrap{border:1px solid var(--border);border-radius:22px;background:var(--panel-bg);padding:16px;overflow:hidden}
.sheet-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.sheet-tab{border:1px solid var(--chip-border);background:var(--chip-bg);color:var(--text);padding:10px 14px;border-radius:999px;cursor:pointer;font-weight:800;font-size:.82rem;transition:transform .16s ease, background .16s ease, border-color .16s ease, box-shadow .16s ease}
.sheet-tab:hover{transform:translateY(-1px)}
.sheet-tab.active{background:linear-gradient(135deg, rgba(37,99,235,.15), rgba(124,58,237,.15));border-color:rgba(99,102,241,.34);box-shadow:0 8px 20px rgba(37,99,235,.10)}
.preview-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:stretch}
.table-pane,.info-pane{border:1px solid var(--border);border-radius:20px;background:var(--surface-soft);min-height:540px;height:540px;overflow:hidden}
.table-pane{display:flex;flex-direction:column}
.table-pane-head,.info-pane-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:14px 16px;border-bottom:1px solid var(--border);flex:0 0 auto}
.table-pane-head h4,.info-pane-head h4{margin:0;color:var(--text);font-size:1rem}
.table-pane-inner{flex:1;min-height:0;overflow:auto}
.preview-table{width:max-content;min-width:100%;border-collapse:separate;border-spacing:0;color:var(--text)}
.preview-table th,.preview-table td{border-right:1px solid var(--border);border-bottom:1px solid var(--border);padding:10px 12px;font-size:.88rem;vertical-align:top;white-space:pre-wrap;word-break:break-word;min-width:120px;max-width:320px}
.preview-table th{position:sticky;top:0;z-index:2;background:var(--table-head);font-weight:800}
.preview-table tbody tr:nth-child(odd) td{background:var(--table-row)}
.preview-table tbody tr:nth-child(even) td{background:var(--table-row-alt)}
.preview-table tr > *:first-child{position:sticky;left:0;z-index:1;background:inherit;min-width:62px;width:62px;text-align:center;font-weight:800}
.preview-table thead tr > *:first-child{z-index:3;background:var(--table-head)}
.row-index{color:var(--muted)}
.info-pane{display:flex;flex-direction:column}
.info-pane-inner{flex:1;min-height:0;overflow:auto;padding:16px}
.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:14px}
.detail-card{border:1px solid var(--border);border-radius:18px;background:var(--surface);padding:14px}
.detail-card small{display:block;margin-bottom:6px;color:var(--muted);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}
.detail-card strong{display:block;color:var(--text);font-size:1rem;word-break:break-word}
.meta-box{border:1px solid var(--border);border-radius:18px;background:var(--surface);padding:14px;margin-bottom:12px}
.meta-box h5{margin:0 0 10px;color:var(--text);font-size:.92rem}
.meta-box p{margin:0;color:var(--muted);line-height:1.7;font-size:.89rem}
.meta-list{display:grid;gap:8px}
.meta-item{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:14px;border:1px solid var(--border);background:var(--surface-soft)}
.meta-item span:first-child{color:var(--muted);font-weight:700}
.meta-item span:last-child{color:var(--text);font-weight:800;text-align:right;word-break:break-word}
.code-box{width:100%;min-height:180px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--input-text);border-radius:16px;padding:14px;line-height:1.65;font-size:.88rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;outline:none;overflow:auto;white-space:pre-wrap;word-break:break-word;resize:vertical}
.empty-state{text-align:center;padding:64px 22px;border:1px dashed var(--border);border-radius:22px;color:var(--muted);background:var(--surface-soft)}
.bottom-wrap{max-width:1200px;margin:0 auto 50px;padding:0 16px}
.tips-card{padding:18px 20px}
.tips-card h3{margin:0 0 8px;color:var(--text);font-size:1.02rem}
.tips-card p{margin:0;color:var(--muted);line-height:1.7}
.notice{margin-top:10px;padding:12px 14px;border-radius:16px;border:1px solid var(--border);background:var(--surface-soft);color:var(--muted);font-size:.86rem;line-height:1.65}
.badge-success{color:var(--success);font-weight:800}
.badge-danger{color:var(--danger);font-weight:800}
@media (max-width:1180px){
.toolbar-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.toolbar-extra{grid-template-columns:repeat(3,minmax(0,1fr))}
.summary-wrap{grid-template-columns:repeat(3,1fr)}
.preview-grid{grid-template-columns:1fr}
}
@media (max-width:920px){
.top-row{grid-template-columns:1fr}
}
@media (max-width:680px){
.toolbar-card{position:relative;top:auto}
.toolbar-grid,.toolbar-extra{grid-template-columns:1fr}
.toolbar-actions{display:grid;grid-template-columns:1fr}
.toolbar-actions button{width:100%}
.progress-row{flex-direction:column;align-items:stretch}
#progressText{min-width:auto;text-align:left}
.summary-wrap{grid-template-columns:repeat(2,1fr)}
.detail-grid{grid-template-columns:1fr}
.table-pane,.info-pane{min-height:420px;height:420px}
}
@media (max-width:460px){
.summary-wrap{grid-template-columns:1fr}
}

/* page overrides */
/* Soft & clear */
.tool-app .top-row,.tool-app .toolbar-wrap,.tool-app .workspace{padding:0;margin-bottom:16px}
.tool-app .workspace{margin-bottom:0}
.tool-app .upload-inner{min-height:200px}
.tool-app .upload-icon{box-shadow:none;border:0}
.tool-app .toolbar-card{position:static}
.tool-app .toolbar-field label{font:500 14px var(--zl-font-head);color:var(--zl-ink)}
.tool-app .toolbar-field input,.tool-app .toolbar-field select{border-radius:12px}
.tool-app .field-hint{color:var(--zl-muted);font-size:13px;line-height:1.35}
.tool-app .toolbar-actions,.tool-app .progress-row{border-top-color:var(--zl-line)}
.tool-app #progressText{color:var(--zl-muted);font-size:14px}
.tool-app .inline-status{background:var(--zl-surface-2);border:1px solid var(--zl-line);font-weight:500;max-width:100%}
.tool-app .summary-wrap{display:none}
.tool-app .preview-wrap{background:var(--zl-surface-2);border-color:var(--zl-line);border-radius:16px}
.tool-app .sheet-tab{min-height:44px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);font:500 14px var(--zl-font-head);box-shadow:none}
.tool-app .sheet-tab:hover{transform:none;border-color:var(--zl-accent)}
.tool-app .sheet-tab.active{background:var(--zl-tint);border-color:var(--zl-accent);color:var(--zl-accent-strong);box-shadow:none}
.tool-app .table-pane,.tool-app .info-pane{background:var(--zl-surface);border-color:var(--zl-line);border-radius:14px}
.tool-app .table-pane-head,.tool-app .info-pane-head{border-bottom-color:var(--zl-line)}
.tool-app .preview-table{font-family:var(--zl-font-body)}
.tool-app .preview-table th,.tool-app .preview-table td{border-color:var(--zl-line);font-size:14px}
.tool-app .preview-table th{background:var(--zl-tint);font-family:var(--zl-font-head);font-weight:500}
.tool-app .preview-table thead tr > *:first-child{background:var(--zl-tint)}
.tool-app .preview-table tbody tr:nth-child(odd) td{background:var(--zl-surface)}
.tool-app .preview-table tbody tr:nth-child(even) td{background:var(--zl-surface-2)}
.tool-app .detail-card,.tool-app .meta-box{background:var(--zl-surface);border-color:var(--zl-line);border-radius:12px}
.tool-app .detail-card small{color:var(--zl-muted);letter-spacing:.04em}
.tool-app .meta-item{background:var(--zl-surface-2);border-color:var(--zl-line);border-radius:10px}
.tool-app .meta-item span:first-child{font-weight:500}
.tool-app .meta-item span:last-child{font-weight:600}
.tool-app .meta-box .zl-ui-title{margin-bottom:10px}
.tool-app .code-box{border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);border-radius:12px;font-size:13px}
.tool-app .notice{background:var(--zl-surface-2);border-color:var(--zl-line);border-radius:12px;color:var(--zl-muted);font-size:14px}
.tool-app .notice:empty{display:none}
.tool-app .info-pane-head .btn-outline,.tool-app .info-pane-head .btn-ghost{min-height:44px!important}
.tool-app .empty-state{padding:40px 20px}
@media (max-width:680px){
  .tool-app .toolbar-actions{grid-template-columns:1fr}
  .tool-app .preview-wrap{padding:10px}
  .tool-app .info-pane-head > div{width:100%}
  .tool-app .info-pane-head .btn-outline,.tool-app .info-pane-head .btn-ghost{flex:1}
  .tool-app .toolbar-actions button{white-space:normal}
}
@media (max-width:680px) and (min-width:340px){
  .tool-app .toolbar-grid,.tool-app .toolbar-extra{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .tool-app .toolbar-field{min-width:0}
  .tool-app .toolbar-field select{text-overflow:ellipsis}
  .tool-app .color-row code{display:none}
  .tool-app .toolbar-grid > .toolbar-field:first-child{grid-column:1/-1}
}