:root{--panel:#ffffff;--border-strong:rgba(37,99,235,.18);--accent3:#138a92;--card-grad:linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,250,252,.96));--chip-text:#095a60;--table-head:#eef5ff}
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:#08111f;--bg2:#0b1324;--surface:rgba(15,23,42,.76);--surface-strong:rgba(15,23,42,.98);--surface-soft:rgba(255,255,255,.04);--panel:rgba(15,23,42,.94);--text:#e6eefb;--muted:#8aa19f;--muted-2:#c6d4d2;--border:rgba(148,163,184,.16);--border-strong:rgba(99,102,241,.28);--shadow:0 20px 46px rgba(2,6,23,.24);--shadow-soft:0 10px 24px rgba(2,6,23,.16);--hero-bg:radial-gradient(circle at 0% 0%, rgba(37,99,235,.18), transparent 34%),
        radial-gradient(circle at 100% 100%, rgba(124,58,237,.16), transparent 40%),
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.018));--card-grad:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));--input-bg:rgba(255,255,255,.045);--input-text:#e6eefb;--input-border:rgba(148,163,184,.16);--input-focus:rgba(96,165,250,.18);--chip-bg:rgba(96,165,250,.12);--chip-text:#d4ecea;--table-head:rgba(255,255,255,.05)}
.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 a{text-decoration:none;color:inherit}
.hero,.summary,.main-tool,.extras,.guide{max-width:1360px;margin:0 auto;padding:0 16px}
.hero{padding-top:24px}
.hero-shell{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:var(--hero-bg);box-shadow:var(--shadow);position:relative;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;padding:30px;align-items:stretch}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface-soft);color:var(--chip-text);font-size:.8rem;font-weight:800;margin-bottom:12px}
.hero h1{margin:0 0 10px;font-size:clamp(2.2rem,3.4vw,3.5rem);line-height:1.02;letter-spacing:-.04em;color:var(--text);background:none;-webkit-background-clip:initial;-webkit-text-fill-color:currentColor}
.hero p{margin:0;color:var(--muted);line-height:1.8;font-size:1rem;max-width:850px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.hero-tags span{padding:10px 14px;border-radius:999px;border:1px solid var(--border);background:var(--surface-soft);color:var(--text);font-size:.82rem;font-weight:700}
.hero-side{display:grid;gap:14px}
.hero-card{border:1px solid var(--border);border-radius:14px;background:var(--surface);box-shadow:var(--shadow-soft);padding:18px}
.hero-card small{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
.hero-card strong{display:block;font-size:1.6rem;line-height:1.15;color:var(--text);letter-spacing:-.03em}
.hero-card span{display:block;margin-top:8px;color:var(--muted);line-height:1.55;font-size:.86rem}
.hero-mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.summary{margin-top:16px;margin-bottom:18px}
.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.sum-card{border:1px solid var(--border);background:var(--surface);border-radius:14px;box-shadow:var(--shadow-soft);padding:16px;position:relative;overflow:hidden}
.sum-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--accent-grad)}
.sum-card small{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:7px}
.sum-card strong{display:block;color:var(--text);font-size:1.08rem;line-height:1.35}
.main-tool{margin-bottom:18px}
.tool-shell{border:1px solid var(--border);background:var(--surface);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.tool-head{padding:18px 20px;border-bottom:1px solid var(--border);background:linear-gradient(180deg, rgba(37,99,235,.06), transparent);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.tool-head h2{margin:0;font-size:1.08rem;color:var(--text)}
.tool-head p{margin:4px 0 0;color:var(--muted);font-size:.84rem}
.inline-status{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--border);background:var(--surface-soft);color:var(--text);font-weight:800;font-size:.8rem}
.tool-body{padding:20px}
.top-tools{display:grid;grid-template-columns:1fr auto auto;gap:12px;margin-bottom:16px}
.tip-pills{display:flex;flex-wrap:wrap;gap:10px}
.tip-pills button{min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--border-strong);background:rgba(37,99,235,.08);color:var(--chip-text);font-weight:800;cursor:pointer;transition:.18s ease}
.tip-pills button.active{background:var(--accent-grad);color:#fff;border-color:transparent;box-shadow:0 14px 28px rgba(37,99,235,.22)}
.tool-btn,.tool-btn-primary,.tool-btn-danger{min-height:46px;padding:0 16px;border-radius: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;white-space:nowrap}
.tool-btn-primary{color:#fff;background:var(--accent-grad);box-shadow:0 14px 28px rgba(37,99,235,.22)}
.tool-btn{color:var(--chip-text);background:rgba(37,99,235,.08);border-color:var(--border-strong)}
.tool-btn-danger{color:#fff;background:linear-gradient(135deg,#dc2626,#b91c1c);box-shadow:0 14px 28px rgba(220,38,38,.18)}
.tool-btn-primary:hover,.tool-btn:hover,.tool-btn-danger:hover{transform:translateY(-1px)}
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.panel{border:1px solid var(--border);border-radius:14px;background:var(--card-grad);padding:18px;display:grid;gap:14px}
.panel-headline{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.panel-headline strong{color:var(--text);font-size:1rem}
.panel-headline span{color:var(--muted);font-size:.82rem}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{color:var(--text);font-size:.78rem;font-weight:800}
.field input,.field select{width:100%;min-height:50px;border-radius:16px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--input-text);outline:none;padding:12px 14px;transition:border-color .18s ease, box-shadow .18s ease, background .18s ease}
.field input::placeholder{color:var(--muted)}
.field input:focus,.field select:focus{border-color:rgba(37,99,235,.34);box-shadow:0 0 0 4px var(--input-focus)}
.range-wrap{display:grid;gap:8px}
.range-top{display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--muted);font-size:.84rem}
.range-value{font-weight:800;color:var(--text)}
.tool-app input[type="range"]{width:100%;accent-color:var(--accent);cursor:pointer}
.toggle-grid{display:grid;gap:10px}
.toggle-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border:1px solid var(--border);border-radius:18px;background:var(--surface-soft)}
.toggle-text strong{display:block;color:var(--text);font-size:.92rem}
.toggle-text span{display:block;color:var(--muted);font-size:.8rem;margin-top:4px;line-height:1.5}
.switch{position:relative;width:54px;height:32px;flex:0 0 auto}
.switch input{display:none}
.slider{position:absolute;inset:0;border-radius:999px;background:rgba(148,163,184,.35);transition:.2s ease;cursor:pointer}
.slider::before{content:"";position:absolute;width:24px;height:24px;left:4px;top:4px;border-radius:50%;background:#fff;transition:.2s ease;box-shadow:0 4px 10px rgba(0,0,0,.18)}
.switch input:checked + .slider{background:linear-gradient(135deg,#0b6e75,#0e7c86)}
.switch input:checked + .slider::before{transform:translateX(22px)}
.result-stack{display:grid;gap:12px}
.result-card{border:1px solid var(--border);border-radius:14px;background:var(--surface);padding:16px;position:relative;overflow:hidden}
.result-card.highlight{background:linear-gradient(135deg, rgba(37,99,235,.10), rgba(124,58,237,.10))}
.result-card small{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:7px}
.result-card strong{display:block;color:var(--text);font-size:1.25rem;line-height:1.25;letter-spacing:-.02em}
.result-card span{display:block;margin-top:7px;color:var(--muted);font-size:.82rem;line-height:1.55}
.focus-result{margin-top:16px;border:1px solid var(--border);border-radius:14px;background:linear-gradient(135deg, rgba(37,99,235,.08), rgba(124,58,237,.08));padding:18px;display:grid;grid-template-columns:1.1fr .9fr;gap:14px}
.focus-result h3{margin:0 0 8px;color:var(--text);font-size:1.08rem}
.focus-result p{margin:0;color:var(--muted);line-height:1.75}
.focus-right{display:grid;gap:12px}
.big-kpi{border:1px solid var(--border);border-radius:20px;background:var(--surface);padding:16px}
.big-kpi small{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
.big-kpi strong{display:block;color:var(--text);font-size:1.16rem;line-height:1.35}
.big-kpi span{display:block;margin-top:6px;color:var(--muted);font-size:.82rem;line-height:1.5}
.extras{margin-bottom:18px}
.extras-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mini-list{display:grid;gap:12px}
.mini-item{border:1px solid var(--border);border-radius:20px;background:var(--card-grad);padding:16px}
.mini-item strong{display:block;color:var(--text);font-size:1rem;line-height:1.35}
.mini-item span{display:block;margin-top:7px;color:var(--muted);line-height:1.6;font-size:.84rem}
.split-table{display:grid;gap:10px}
.split-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;border:1px solid var(--border);border-radius:20px;background:var(--card-grad);padding:14px;align-items:center}
.split-box small{display:block;color:var(--muted);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
.split-box strong{display:block;color:var(--text);font-size:.98rem;line-height:1.35}
.split-box span{display:block;margin-top:6px;color:var(--muted);font-size:.8rem;line-height:1.45}
.guide{padding-bottom:26px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.guide-card{border:1px solid var(--border);background:var(--surface);border-radius:14px;box-shadow:var(--shadow-soft);padding:18px}
.guide-card h3{margin:0 0 8px;color:var(--text);font-size:1.02rem}
.guide-card p{margin:0;color:var(--muted);line-height:1.75;font-size:.9rem}
@media (max-width:1200px){
.hero-grid,.focus-result{grid-template-columns:1fr}
.summary-grid{grid-template-columns:repeat(2,1fr)}
.guide-grid{grid-template-columns:1fr}
}
@media (max-width:980px){
.tool-grid,.extras-grid{grid-template-columns:1fr}
.top-tools{grid-template-columns:1fr}
}
@media (max-width:760px){
.hero-grid{padding:20px}
.hero-mini-grid,.summary-grid,.field-grid,.split-row{grid-template-columns:1fr}
.focus-right{grid-template-columns:1fr}
}

/* page overrides */
.tool-app .tool-shell{box-shadow:none;border-color:var(--zl-line);background:var(--zl-surface)}
.tool-app .tool-head{background:transparent}
.tool-app .tip-pills button{min-height:44px;min-width:56px;border-radius:999px;font-family:var(--zl-font-head);font-weight:500;box-shadow:none}
.tool-app .tip-pills button.active{background:var(--zl-accent);color:var(--zl-accent-ink);box-shadow:none}
.tool-app .tool-btn-primary{background:var(--zl-accent);color:var(--zl-accent-ink);box-shadow:none;border-radius:999px;font-family:var(--zl-font-head);font-weight:600}
.tool-app .tool-btn-primary:hover{background:var(--zl-accent-strong)}
.tool-app .tool-btn-danger{background:var(--zl-surface);color:var(--zl-ink);border:1.5px solid var(--zl-line-2);box-shadow:none;border-radius:999px;font-family:var(--zl-font-head);font-weight:500}
.tool-app .tool-btn-danger:hover{border-color:var(--zl-accent)}
.tool-app .field input,.tool-app .field select{width:100%;min-height:48px;padding:10px 13px;font-size:16px;border-radius:12px;border:1.5px solid var(--zl-line-2);background-color:var(--zl-surface);color:var(--zl-ink)}
.tool-app .action-row{display:flex;flex-wrap:wrap;gap:10px}
.tool-app .range-top label{font:600 14px var(--zl-font-head);color:var(--zl-ink)}
.tool-app .switch input{display:block;position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer;z-index:1}
.tool-app .switch input:focus-visible + .slider{outline:3px solid var(--zl-marigold);outline-offset:2px}
.tool-app .switch input:checked + .slider{background:var(--zl-accent)}
.tool-app .slider::before{box-shadow:none}
.tool-app .result-card,.tool-app .mini-item,.tool-app .split-box,.tool-app .big-kpi,.tool-app .toggle-item,.tool-app .panel{box-shadow:none;border-color:var(--zl-line)}
.tool-app .result-card:not(.highlight){background:var(--zl-surface)}
.tool-app .result-card.highlight{background:var(--zl-tint);border-color:transparent}
.tool-app .result-card.highlight strong{font-size:28px;font-family:var(--zl-font-head)}
.tool-app .focus-result{background:var(--zl-surface-2);border-color:var(--zl-line)}
.tool-app .big-kpi,.tool-app .split-box,.tool-app .mini-item{background:var(--zl-surface)}
.tool-app .tip-pills button:not(.active){background:var(--zl-surface);border:1.5px solid var(--zl-line-2);color:var(--zl-ink)}