:root{--accent3:#138a92;--accent-grad-soft:linear-gradient(135deg,rgba(37,99,235,.12),rgba(124,58,237,.10))}
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);--hero-bg:radial-gradient(circle at top left, rgba(37,99,235,.15), 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 input[type="checkbox"]{accent-color:var(--accent1)}
.container{max-width:1380px;margin:0 auto;padding:0 16px}
.hero{padding:24px 0 14px}
.hero-card,.panel,.preview-panel,.results-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:1.1fr .9fr;gap:16px;align-items:stretch}
.hero h1{margin:0 0 10px;font-size:clamp(2rem,3vw,3.15rem);line-height:1.03;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:1.8}
.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:1.16rem;line-height:1.45;word-break:break-word}
.mode-strip{margin:0 0 18px;padding:18px}
.mode-strip-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.mode-strip-head h3{margin:0;font-size:1.05rem}
.mode-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)}
.mode-tabs{display:flex;gap:10px;overflow:auto;scrollbar-width:none;padding-bottom:2px}
.mode-tabs::-webkit-scrollbar{display:none}
.mode-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}
.mode-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:110px;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)}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:2px}
.check{display:flex;align-items:center;gap:10px;min-height:46px;padding:10px 12px;border-radius:16px;border:1px solid var(--border);background:var(--surface-soft);color:var(--text);font-size:.88rem;font-weight:700}
.check input{width:18px;height:18px;margin:0}
.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)}
.action-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}
.action-wrap{margin-top:16px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));padding:16px}
.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:400px;display:grid;place-items:center;padding:20px;overflow:hidden}
.number-display{width:min(100%, 760px);min-height:320px;background:radial-gradient(circle at top left, rgba(37,99,235,.08), transparent 30%),
        radial-gradient(circle at bottom right, rgba(124,58,237,.08), transparent 34%),
        #fff;color:#102a2c;border-radius:28px;padding:26px 22px;box-shadow:0 16px 34px rgba(15,23,42,.12);display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden}
.display-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;flex-wrap:wrap}
.display-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#e6f3f2;color:#095a60;font-size:.76rem;font-weight:900;letter-spacing:.04em;text-transform:uppercase}
.display-meta{text-align:right;color:#4b6365;font-size:.82rem;line-height:1.6}
.display-center{display:grid;place-items:center;flex:1;min-height:140px;text-align:center}
.mega-number{margin:0;font-size:clamp(2.5rem,6vw,5.1rem);line-height:1;font-weight:1000;letter-spacing:-.05em;word-break:break-word;background:linear-gradient(90deg,#095a60,#0e7c86,#0891b2);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.result-sub{margin-top:12px;color:#4b6365;font-size:.95rem;line-height:1.7}
.result-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.result-mini{border:1px solid rgba(148,163,184,.18);border-radius:18px;background:#f6faf9;padding:12px;text-align:center}
.result-mini small{display:block;color:#4b6365;text-transform:uppercase;letter-spacing:.08em;font-size:.65rem;margin-bottom:5px;font-weight:800}
.result-mini strong{display:block;color:#102a2c;font-size:1rem;line-height:1.4;word-break:break-word}
.results-panel{padding:18px;margin-bottom:18px}
.results-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.results-head h3{margin:0;font-size:1.04rem}
.results-head p{margin:4px 0 0;color:var(--muted);font-size:.83rem;line-height:1.65}
.results-toolbar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.results-box{border:1px solid var(--border);border-radius:22px;background:var(--surface-soft);padding:14px}
.results-output{margin:0;min-height:120px;max-height:340px;overflow:auto;white-space:pre-wrap;word-break:break-word;line-height:1.8;color:var(--text);font-size:.95rem}
.results-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.stat-chip{padding:10px 12px;border-radius:16px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:.82rem;font-weight:800}
.bar-chart{display:grid;gap:10px;margin-top:16px}
.bar-row{display:grid;grid-template-columns:110px 1fr 60px;gap:10px;align-items:center}
.bar-label{font-size:.82rem;color:var(--text);font-weight:800}
.bar-track{height:12px;border-radius:999px;overflow:hidden;background:rgba(148,163,184,.16);position:relative}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent1),var(--accent2));width:0%;transition:width .35s ease}
.bar-value{text-align:right;color:var(--muted);font-size:.8rem;font-weight:800}
.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}
.hidden{display:none !important}
@media (max-width:1240px){
.hero-grid,.main-grid{grid-template-columns:1fr}
.preview-panel{position:relative;top:auto}
}
@media (max-width:900px){
.form-grid,.check-grid,.result-grid{grid-template-columns:1fr}
.bar-row{grid-template-columns:90px 1fr 50px}
}
@media (max-width:620px){
.action-bar,.results-toolbar{display:grid;grid-template-columns:1fr}
.action-bar button,.results-toolbar button{width:100%}
.number-display{padding:22px 16px}
.display-meta{text-align:left}
}

/* page overrides */
.tool-app .container{max-width:none;padding:0}
.tool-app .panel,.tool-app .preview-panel,.tool-app .results-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 .mode-strip{margin-bottom:16px;padding:16px}
.tool-app .mode-strip-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.tool-app .mode-tab,.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 .mode-tab.active{background:var(--zl-tint);border-color:var(--zl-accent);color:var(--zl-accent-strong);font-weight:600;box-shadow:none}
.tool-app .mode-tab:hover,.tool-app .chip-btn:hover{border-color:var(--zl-accent)}
.tool-app .main-grid{gap:16px;margin-bottom:16px}
.tool-app .section{background:var(--zl-surface-2);border:1px solid var(--zl-line);border-radius:16px}
.tool-app .section-head p{margin:4px 0 0;color:var(--zl-muted);font-size:14px}
.tool-app .field label{font:600 14px var(--zl-font-head);color:var(--zl-ink)}
.tool-app .field input,.tool-app .field select{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:disabled{background:var(--zl-surface-2);color:var(--zl-muted)}
.tool-app .check{border:1px solid var(--zl-line);background:var(--zl-surface);border-radius:12px;font-weight:400;font-size:15px;min-height:44px;cursor:pointer}
.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 .preview-panel{padding:18px}
.tool-app .preview-stage{background:var(--zl-surface-2);border:1px solid var(--zl-line);border-radius:16px;padding:14px}
.tool-app .number-display{background:var(--zl-surface);border:1px solid var(--zl-line);border-radius:16px;box-shadow:none;min-height:0}
.tool-app .display-badge{background:var(--zl-tint);color:var(--zl-accent-strong);border:0;box-shadow:none;font:500 13px var(--zl-font-head)}
.tool-app .mega-number{background:none;-webkit-text-fill-color:currentColor;color:var(--zl-accent-strong);font:600 clamp(44px,6vw,72px)/1.05 var(--zl-font-head);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.tool-app .result-mini,.tool-app .stat-chip{background:var(--zl-surface-2);border:1px solid var(--zl-line);border-radius:12px;box-shadow:none;font-weight:500}
.tool-app .result-mini small{text-transform:none;letter-spacing:0;font-size:13px;color:var(--zl-muted)}
.tool-app .action-bar{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;border-top:0;padding-top:0}
.tool-app .action-bar .btn-primary{flex:1 1 200px}
.tool-app .action-wrap{border:0;background:transparent;padding:0;margin-top:0;box-shadow:none}
.tool-app .results-panel{padding:18px}
.tool-app .results-head p{margin:4px 0 0;color:var(--zl-muted);font-size:14px}
.tool-app .results-box{background:var(--zl-surface-2);border:1px solid var(--zl-line);border-radius:14px}
.tool-app .results-output{font-family:var(--zl-font-mono);font-size:14.5px}
.tool-app .bar-track{background:var(--zl-tint)}
.tool-app .bar-fill{background:var(--zl-accent)}
.tool-app .bar-label{font-weight:600;font-variant-numeric:tabular-nums}
.tool-app .field input,.tool-app .field select{width:100%}
.tool-app .result-mini strong{color:var(--zl-ink);font:600 17px var(--zl-font-head)}
.tool-app .result-mini small{color:var(--zl-muted)}
.tool-app .result-sub,.tool-app .display-meta{color:var(--zl-muted)}
.tool-app .stat-chip{color:var(--zl-ink)}