:root{--frame-bg:#ffffff;--frame-text:#102a2c}
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"],.tool-app html.tool-dark,.tool-app body.tool-dark{color-scheme:dark;--bg:#0e1b1c;--bg-2:#102a2c;--surface:rgba(15,23,42,.76);--surface-strong:rgba(15,23,42,.98);--surface-soft:rgba(255,255,255,.04);--text:#e4eeec;--muted:#8aa19f;--border:rgba(148,163,184,.16);--shadow:0 18px 40px rgba(2,6,23,.18);--shadow-soft:0 10px 24px rgba(2,6,23,.14);--input-bg:rgba(255,255,255,.045);--input-text:#e4eeec;--input-border:rgba(148,163,184,.18);--placeholder:#8aa19f;--success:#22c55e;--warning:#f59e0b;--danger:#f87171;--success-soft:rgba(34,197,94,.10);--warning-soft:rgba(245,158,11,.10);--danger-soft:rgba(248,113,113,.10);--chip-bg:rgba(255,255,255,.06);--preview-bg:#ffffff;--frame-bg:#ffffff;--frame-text:#102a2c;--hero-bg:radial-gradient(circle at top left, rgba(37,99,235,.14), transparent 36%),
        radial-gradient(circle at bottom right, rgba(124,58,237,.12), transparent 42%),
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02))}
.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}
.tool-app img{max-width:100%}
.container{max-width:1380px;margin:0 auto;padding:0 16px}
.hero{padding:24px 0 12px}
.hero-card,.panel,.preview-panel,.bulk-panel,.tips-card{border:1px solid var(--border);background:var(--surface);border-radius:28px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.hero-card{padding:24px;background:var(--hero-bg)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;align-items:stretch}
.hero h1{margin:0 0 10px;font-size:clamp(2rem,3vw,3.1rem);line-height:1.02;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:900px;color:var(--muted);line-height:1.78}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.hero-tags span{padding:9px 13px;border-radius:999px;border:1px solid var(--border);background:var(--surface-soft);color:var(--text);font-size:.82rem;font-weight:700}
.hero-stats{display:grid;gap:12px}
.hero-stat{border:1px solid var(--border);border-radius:22px;background:var(--surface);padding:16px;box-shadow:var(--shadow-soft)}
.hero-stat small{display:block;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;margin-bottom:6px}
.hero-stat strong{display:block;color:var(--text);font-size:1.14rem;line-height:1.4;word-break:break-word}
.type-strip{margin:0 0 18px;padding:18px}
.type-strip-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.type-strip-head h3{margin:0;font-size:1.05rem}
.type-strip-head p{margin:4px 0 0;color:var(--muted);font-size:.83rem}
.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}
.inline-status.success{background:var(--success-soft);border-color:rgba(22,163,74,.18)}
.inline-status.warning{background:var(--warning-soft);border-color:rgba(217,119,6,.18)}
.inline-status.danger{background:var(--danger-soft);border-color:rgba(220,38,38,.18)}
.type-tabs{display:flex;gap:10px;overflow:auto;scrollbar-width:none;padding-bottom:2px}
.type-tabs::-webkit-scrollbar{display:none}
.type-tab{flex:0 0 auto;min-height:44px;padding:0 14px;border-radius:999px;border:1px solid var(--border);background:var(--surface-soft);color:var(--text);font-weight:800;cursor:pointer;transition:.18s ease}
.type-tab.active{background:var(--accent-grad);color:#fff;border-color:transparent;box-shadow:0 12px 24px rgba(37,99,235,.22)}
.main-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px;align-items:start;margin-bottom:18px}
.panel{padding:18px}
.section{border:1px solid var(--border);border-radius:22px;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));padding:16px}
.section + .section{margin-top:14px}
.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.section-head h4{margin:0;font-size:1rem;color:var(--text)}
.section-head p{margin:4px 0 0;color:var(--muted);font-size:.82rem;line-height:1.6}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:.77rem;font-weight:800;color:var(--text)}
.field input,.field select,.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:.92rem;outline:none;transition:border-color .18s ease, box-shadow .18s ease, background .18s ease}
.field textarea{min-height:112px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--placeholder)}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(37,99,235,.34)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent1);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip-btn{border:1px solid var(--border);background:var(--chip-bg);color:var(--text);border-radius:999px;padding:8px 12px;cursor:pointer;font-size:.8rem;font-weight:800;transition:.18s ease}
.chip-btn:hover{transform:translateY(-1px)}
.social-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}
.social-btn{min-height:48px;border-radius:16px;border:1px solid var(--border);background:var(--surface-soft);color:var(--text);font-weight:800;cursor:pointer;transition:.18s ease}
.social-btn.active{background:var(--accent-grad);color:#fff;border-color:transparent}
.options-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{min-height:38px;padding:0 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface-strong);color:var(--text);font-size:.8rem;font-weight:800;cursor:pointer}
.pill.active{background:var(--accent-grad);color:#fff;border-color:transparent}
.range-wrap{display:flex;align-items:center;gap:10px}
.range-wrap input[type="range"]{flex:1;min-height:auto;padding:0}
.range-badge{min-width:74px;text-align:center;padding:8px 10px;border-radius:12px;border:1px solid var(--border);background:var(--surface-soft);color:var(--text);font-weight:800;font-size:.82rem}
.color-row{display:grid;grid-template-columns:1fr 110px;gap:10px}
.color-row input[type="color"]{min-height:46px;padding:4px;cursor:pointer}
.action-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;padding-top:16px;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;cursor:pointer;transition:transform .16s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease}
.btn-primary{color:#fff;background:var(--accent-grad);box-shadow:0 12px 26px rgba(37,99,235,.22)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-outline{color:var(--accent1);background:rgba(37,99,235,.08);border-color:rgba(37,99,235,.18)}
.btn-ghost{color:var(--text);background:var(--surface-soft);border-color:var(--border)}
.preview-panel{padding:18px;position:sticky;top:84px}
.preview-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.preview-head h3{margin:0;font-size:1.08rem}
.preview-head p{margin:4px 0 0;color:var(--muted);font-size:.82rem}
.preview-stage{border:1px solid var(--border);border-radius:24px;background:linear-gradient(135deg, rgba(37,99,235,.05), rgba(124,58,237,.05)),
        var(--surface-strong);min-height:500px;display:grid;place-items:center;padding:20px;overflow:hidden}
.qr-frame{display:inline-flex;flex-direction:column;align-items:center;gap:12px;background:var(--frame-bg);color:var(--frame-text);border-radius:28px;padding:18px 18px 16px;box-shadow:0 16px 34px rgba(15,23,42,.12);max-width:100%}
.qr-frame.top .frame-label{order:-1}
.qr-frame.bottom .frame-label{order:2}
.qr-frame.none .frame-label,.qr-frame.none .frame-sub{display:none}
.frame-label{font-weight:900;letter-spacing:.02em;font-size:1rem;text-align:center;max-width:340px;word-break:break-word}
.frame-sub{font-size:.78rem;color:#4b6365;text-align:center;max-width:320px;display:none}
.frame-sub.show{display:block}
#qrCanvasWrap{display:flex;align-items:center;justify-content:center;max-width:100%}
#qrCanvasWrap canvas,#qrCanvasWrap svg,#qrCanvasWrap img{display:block;max-width:100%;height:auto;border-radius:18px}
.placeholder{text-align:center;max-width:290px}
.placeholder strong{display:block;font-size:1.05rem;margin-bottom:8px}
.placeholder span{display:block;color:var(--muted);line-height:1.7;font-size:.92rem}
.preview-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}
.meta-card{border:1px solid var(--border);border-radius:18px;background:var(--surface-soft);padding:14px}
.meta-card small{display:block;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.68rem;margin-bottom:6px}
.meta-card strong{display:block;color:var(--text);font-size:1rem;line-height:1.4;word-break:break-word}
.payload-box{margin-top:14px;padding:14px;border:1px solid var(--border);border-radius:18px;background:var(--surface-soft)}
.payload-box small{display:block;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.68rem;margin-bottom:8px}
.payload-output{margin:0;color:var(--text);line-height:1.7;white-space:pre-wrap;word-break:break-word;font-size:.9rem;max-height:180px;overflow:auto}
.bulk-panel{display:none;padding:18px;margin-bottom:18px}
.bulk-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.bulk-items{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:14px}
.bulk-item{border:1px solid var(--border);border-radius:18px;background:var(--surface-soft);padding:12px;text-align:center}
.bulk-item canvas{display:block;width:100%;height:auto;margin:0 auto 8px}
.bulk-item strong{display:block;font-size:.82rem;color:var(--text);word-break:break-word}
.bulk-item span{display:block;color:var(--muted);font-size:.74rem;margin-top:4px;word-break:break-word}
.tips{margin-bottom:24px}
.tips-card{padding:18px}
.tips-card h3{margin:0 0 8px;font-size:1.02rem}
.tips-card p{margin:0;color:var(--muted);line-height:1.76}
.warning-box{margin-top:14px;padding:14px 16px;border-radius:18px;border:1px solid rgba(217,119,6,.22);background:var(--warning-soft);color:var(--text);line-height:1.7}
@media (max-width:1240px){
.hero-grid,.main-grid,.bulk-grid{grid-template-columns:1fr}
.preview-panel{position:relative;top:auto}
}
@media (max-width:900px){
.form-grid,.options-grid,.preview-meta,.bulk-items{grid-template-columns:1fr}
.social-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
.action-bar{display:grid;grid-template-columns:1fr}
.action-bar button{width:100%}
.social-grid{grid-template-columns:1fr}
.color-row{grid-template-columns:1fr}
}

/* page overrides */
.tool-app [hidden]{display:none!important}
.tool-app .container{max-width:none;padding:0}
.tool-app .panel,.tool-app .preview-panel,.tool-app .bulk-panel{background:var(--zl-surface);border:1px solid var(--zl-line);border-radius:var(--zl-r);box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}
.tool-app .type-strip{margin-bottom:16px;padding:16px}
.tool-app .type-strip-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.tool-app .type-tabs{display:flex;flex-wrap:wrap;gap:6px}
.tool-app .type-tab,.tool-app .pill,.tool-app .social-btn,.tool-app .chip-btn{min-height:44px;padding:0 16px;border-radius:999px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);font:500 14.5px var(--zl-font-head);box-shadow:none}
.tool-app .type-tab.active,.tool-app .pill.active,.tool-app .social-btn.active{background:var(--zl-tint);border-color:var(--zl-accent);color:var(--zl-accent-strong);font-weight:600;box-shadow:none}
.tool-app .type-tab:hover,.tool-app .pill:hover,.tool-app .social-btn:hover,.tool-app .chip-btn:hover{border-color:var(--zl-accent)}
.tool-app .main-grid{gap:16px;margin-bottom:0}
.tool-app .section{background:var(--zl-surface-2);border:1px solid var(--zl-line);border-radius:16px}
.tool-app .section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.tool-app .section-head p{margin:4px 0 0;color:var(--zl-muted);font-size:14px}
.tool-app .field label,.tool-app .field .field-label{font:600 14px var(--zl-font-head);color:var(--zl-ink)}
.tool-app .field input:not([type=range]):not([type=color]):not([type=file]),.tool-app .field select,.tool-app .field textarea{border-radius:12px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);font-size:16px;min-height:46px}
.tool-app .field input[type=file]{font-size:14px;min-height:46px;padding:8px;border:1.5px dashed var(--zl-line-2);border-radius:12px;background:var(--zl-surface);color:var(--zl-ink);width:100%}
.tool-app .field input[type=color]{min-height:46px;border-radius:12px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);padding:4px}
.tool-app .field-note{color:var(--zl-accent-strong);font-size:13.5px}
.tool-app .field-note:empty{display:none}
.tool-app .small-btn{min-height:40px;margin-top:6px;align-self:flex-start}
.tool-app .range-badge{border:1px solid var(--zl-line);background:var(--zl-surface);color:var(--zl-ink);font:600 13.5px var(--zl-font-head);border-radius:10px}
.tool-app .inline-status{background:var(--zl-surface-2);border:1px solid var(--zl-line);color:var(--zl-muted);font:500 13.5px var(--zl-font-head);padding:6px 12px;border-radius:999px}
.tool-app .inline-status.success{background:var(--zl-success-soft);border-color:transparent;color:var(--zl-success)}
.tool-app .inline-status.warning{background:var(--zl-warning-soft);border-color:transparent;color:var(--zl-warning)}
.tool-app .inline-status.danger{background:var(--zl-danger-soft);border-color:transparent;color:var(--zl-danger)}
.tool-app #modeBadge{display:none}
.tool-app .preview-panel{padding:18px}
.tool-app .preview-stage{background:var(--zl-surface-2);border:1px solid var(--zl-line);border-radius:16px;min-height:420px}
.tool-app .qr-frame{box-shadow:none;border:1px solid var(--zl-line);border-radius:18px;background:#fff;color:#111827}
.tool-app .frame-label{font-family:var(--zl-font-head);font-weight:700}
.tool-app #qrCanvasWrap canvas{border-radius:6px}
.tool-app .preview-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tool-app .preview-actions .btn-primary{flex:1 1 180px}
.tool-app .meta-card,.tool-app .payload-box{background:var(--zl-surface-2);border:1px solid var(--zl-line);border-radius:14px}
.tool-app .meta-card small,.tool-app .payload-box small{text-transform:none;letter-spacing:0;font-size:13.5px;color:var(--zl-muted)}
.tool-app .meta-card strong{font:600 15px var(--zl-font-head)}
.tool-app .payload-output{font-family:var(--zl-font-mono);font-size:13.5px}
.tool-app .action-bar{display:flex;flex-wrap:wrap;gap:8px;border-top:0;padding-top:0}
.tool-app .bulk-panel{padding:18px}
.tool-app .bulk-item{background:var(--zl-surface-2);border:1px solid var(--zl-line);border-radius:14px}
.tool-app .bulk-item img{display:block;width:100%;max-width:220px;height:auto;margin:0 auto 8px;background:#fff}
.tool-app .placeholder span{color:var(--zl-muted)}
@media (max-width:900px){.tool-app .preview-meta{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-app .bulk-items{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-app .preview-stage{min-height:300px}}
@media (max-width:480px){.tool-app .preview-meta{grid-template-columns:1fr}.tool-app .type-tab{padding:0 12px}}