/* Accounting Tools — site styles (mobile-first, light/dark) */
:root{
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --bg:#f4f7f6; --bg-2:#ffffff; --bg-3:#eef3f1; --text:#13201c; --text-2:#5b6b66; --border:#dde5e1;
  --brand:#0f766e; --brand-2:#115e59; --brand-soft:#d9f2ee; --accent:#d97706; --accent-soft:#fdf0d8;
  --ok:#059669; --err:#dc2626; --shadow:0 1px 2px rgba(0,0,0,.05),0 6px 20px -8px rgba(15,118,110,.18); --r:14px;
}
:root[data-theme="dark"]{
  --bg:#0d1412; --bg-2:#131d1a; --bg-3:#1a2622; --text:#e7efec; --text-2:#9bb0a8; --border:#24332e;
  --brand:#2dd4bf; --brand-2:#5eead4; --brand-soft:#0f2e2a; --accent:#fbbf24; --accent-soft:#3a2a07; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -10px rgba(0,0,0,.6);
}
*{box-sizing:border-box} html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.55;font-size:15.5px}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
img{max-width:100%} h1,h2,h3{line-height:1.25;margin:0 0 .5em} h1{font-size:1.75rem} h2{font-size:1.3rem} h3{font-size:1.05rem}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.hidden{display:none!important}

/* Header */
.hdr{position:sticky;top:0;z-index:50;background:var(--bg-2);border-bottom:1px solid var(--border);backdrop-filter:saturate(1.4) blur(8px)}
.hdr .wrap{display:flex;align-items:center;gap:12px;height:60px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.05rem;color:var(--text);letter-spacing:-.01em}
.logo .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:var(--shadow)}
.logo small{display:block;font-size:.65rem;font-weight:500;color:var(--text-2);letter-spacing:.03em}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{padding:8px 11px;border-radius:9px;color:var(--text-2);font-weight:500;font-size:.92rem}
.nav a:hover,.nav a.on{background:var(--bg-3);color:var(--text);text-decoration:none}
.nav .only-d{display:none}
.icon-btn{border:1px solid var(--border);background:var(--bg-2);color:var(--text);width:38px;height:38px;border-radius:10px;cursor:pointer;display:grid;place-items:center;font-size:17px}
.icon-btn:hover{background:var(--bg-3)}
.menu-btn{display:grid}
.mnav{display:none;background:var(--bg-2);border-bottom:1px solid var(--border);padding:8px 16px 14px}
.mnav.open{display:block}
.mnav a{display:block;padding:10px 8px;border-radius:8px;color:var(--text);font-weight:500}
.mnav a:hover{background:var(--bg-3);text-decoration:none}
@media(min-width:860px){.nav .only-d{display:inline-block}.menu-btn{display:none}}

/* Hero */
.hero{padding:40px 0 26px;text-align:center;background:radial-gradient(900px 300px at 50% -40px,var(--brand-soft),transparent)}
.hero h1{font-size:clamp(1.7rem,4.5vw,2.6rem);letter-spacing:-.02em;margin-bottom:8px}
.hero h1 span{color:var(--brand)}
.hero p{color:var(--text-2);max-width:620px;margin:0 auto 20px;font-size:1.02rem}
.search{position:relative;max-width:620px;margin:0 auto}
.search input{width:100%;padding:15px 48px 15px 18px;border:1.5px solid var(--border);border-radius:14px;background:var(--bg-2);color:var(--text);font:inherit;font-size:1.02rem;box-shadow:var(--shadow);outline:none}
.search input:focus{border-color:var(--brand)}
.search .ico{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--text-2);font-size:18px}
.stats{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-top:18px;color:var(--text-2);font-size:.9rem}
.stats b{color:var(--text)}

/* Category chips */
.chips{display:flex;gap:8px;overflow-x:auto;padding:14px 0 6px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:var(--bg-2);color:var(--text-2);font-size:.88rem;font-weight:500;cursor:pointer;white-space:nowrap}
.chip.on,.chip:hover{background:var(--brand);border-color:var(--brand);color:#fff;text-decoration:none}
:root[data-theme="dark"] .chip.on,:root[data-theme="dark"] .chip:hover{color:#06201d}

/* Tool grid */
.sec{padding:22px 0}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px}
.sec-h h2{display:flex;align-items:center;gap:8px;margin:0}
.sec-h a{font-size:.9rem;font-weight:500}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.card{display:flex;flex-direction:column;gap:6px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r);padding:16px;color:var(--text);transition:transform .15s,box-shadow .15s,border-color .15s;position:relative}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--brand);text-decoration:none}
.card .ic{width:40px;height:40px;border-radius:11px;background:var(--bg-3);display:grid;place-items:center;font-size:20px}
.card h3{font-size:1rem;margin:4px 0 0}
.card p{margin:0;color:var(--text-2);font-size:.87rem;line-height:1.45}
.card .cat{font-size:.72rem;color:var(--brand);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.card .star{position:absolute;top:12px;right:12px;font-size:.7rem;background:var(--accent-soft);color:var(--accent);padding:3px 7px;border-radius:999px;font-weight:700}
.empty{text-align:center;color:var(--text-2);padding:40px 0}

/* Tool page */
.crumbs{font-size:.85rem;color:var(--text-2);padding:14px 0 4px}
.crumbs a{color:var(--text-2)}
.tool-h{padding:6px 0 14px}
.tool-h h1{display:flex;align-items:center;gap:10px;font-size:clamp(1.35rem,3.5vw,1.9rem)}
.tool-h h1 .ic{font-size:1.3em}
.tool-h p{margin:0;color:var(--text-2)}
.tool-box{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
#tool-root{min-height:200px}
.at-split{display:grid;grid-template-columns:1fr}
@media(min-width:900px){.at-split{grid-template-columns:minmax(300px,2fr) 3fr}.at-split.doc{grid-template-columns:minmax(320px,1fr) 1.6fr}}
.at-pane{padding:18px}
.at-pane.in{border-bottom:1px solid var(--border)}
@media(min-width:900px){.at-pane.in{border-bottom:0;border-right:1px solid var(--border)}.at-pane.in.full{border-right:0;border-top:1px solid var(--border)}}
.at-pane.out{background:var(--bg-3)}
.at-pane.in.full{border-right:0}

/* Forms */
.at-form{display:grid;grid-template-columns:1fr 1fr;gap:12px 12px}
.at-field{display:flex;flex-direction:column;gap:5px;grid-column:span 1}
.at-field.full{grid-column:1/-1}
@media(max-width:520px){.at-field.half{grid-column:1/-1}}
.at-field label{font-size:.82rem;font-weight:600;color:var(--text-2)}
.at-input{display:flex;align-items:stretch;border:1.5px solid var(--border);border-radius:10px;background:var(--bg-2);overflow:hidden}
.at-input:focus-within{border-color:var(--brand)}
.at-input input,.at-input select,.at-input textarea{flex:1;min-width:0;border:0;background:transparent;color:var(--text);font:inherit;font-size:1rem;padding:10px 12px;outline:none}
.at-input .affix{display:flex;align-items:center;padding:0 10px;background:var(--bg-3);color:var(--text-2);font-size:.9rem;font-weight:600}
.at-input textarea{resize:vertical}
input[type=date]{min-height:42px}
.at-check{display:flex;align-items:center;gap:8px;font-size:.95rem!important;font-weight:500!important;color:var(--text)!important;padding:8px 0}
.at-check input{width:18px;height:18px;accent-color:var(--brand)}
.at-radio{display:flex;flex-wrap:wrap;gap:6px}
.at-radio label{display:flex;align-items:center;gap:6px;padding:8px 12px;border:1.5px solid var(--border);border-radius:9px;cursor:pointer;font-size:.9rem;font-weight:500;color:var(--text);background:var(--bg-2)}
.at-radio label:has(input:checked){border-color:var(--brand);background:var(--brand-soft)}
.at-radio input{accent-color:var(--brand);margin:0}
.at-range{width:100%;accent-color:var(--brand);margin-top:4px}
.hint{color:var(--text-2);font-size:.8rem}
.at-actions{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}
.at-field input[type=file]{font-size:.9rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--brand);background:var(--brand);color:#fff;padding:10px 16px;border-radius:10px;font:inherit;font-weight:600;font-size:.93rem;cursor:pointer;line-height:1.1}
:root[data-theme="dark"] .btn{color:#06201d}
.btn:hover{filter:brightness(1.07)} .btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.danger{border-color:var(--err);background:var(--err);color:#fff}.btn.danger.ghost{background:transparent;color:var(--err)}
.btn.sm{padding:7px 12px;font-size:.85rem}.btn.xs{padding:4px 8px;font-size:.78rem;border-radius:7px}
.btns{display:inline-flex;gap:6px;flex-wrap:wrap}

/* Results */
.at-results{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.at-result{background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:12px 14px;cursor:copy;transition:border-color .15s}
.at-result:hover{border-color:var(--brand)}
.at-result .lbl{font-size:.76rem;color:var(--text-2);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.at-result .val{font-size:1.3rem;font-weight:800;letter-spacing:-.01em;word-break:break-word;margin-top:2px}
.at-result .sub{font-size:.8rem;color:var(--text-2);margin-top:2px}
.at-result.hl{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff;grid-column:1/-1}
.at-result.hl .lbl,.at-result.hl .sub{color:rgba(255,255,255,.8)}
.at-result.hl .val{font-size:1.75rem}
.at-words{margin-top:12px;padding:10px 14px;background:var(--accent-soft);color:var(--text);border-radius:10px;font-size:.92rem;font-style:italic}
.at-chart{position:relative;height:260px;margin-top:16px;background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:12px}
.at-note{margin-top:14px;padding:12px 14px;background:var(--bg-2);border-left:3px solid var(--accent);border-radius:8px;font-size:.88rem;color:var(--text-2)}
.at-note b{color:var(--text)}
.at-error{padding:14px;border-radius:10px;background:#fee2e2;color:#991b1b;font-weight:500}
:root[data-theme="dark"] .at-error{background:#3b1111;color:#fca5a5}
.at-html{margin-top:14px}
.at-card{background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:14px;margin-top:12px}
.at-grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:600px){.at-grid2{grid-template-columns:1fr}}

/* Tables */
.at-table-wrap{margin-top:16px}
.at-table-bar{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.at-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:var(--bg-2);-webkit-overflow-scrolling:touch}
.at-table{width:100%;border-collapse:collapse;font-size:.88rem;min-width:420px}
.at-table th,.at-table td{padding:9px 11px;border-bottom:1px solid var(--border);text-align:right;white-space:nowrap}
.at-table th:first-child,.at-table td:first-child,.at-table .l{text-align:left}
.at-table thead th{background:var(--bg-3);color:var(--text-2);font-size:.76rem;text-transform:uppercase;letter-spacing:.04em;position:sticky;top:0}
.at-table tbody tr:hover{background:var(--bg-3)}
.at-table tfoot th{background:var(--brand-soft);font-weight:700}
.at-table.at-edit td{padding:4px 5px;text-align:left}
.at-table.at-edit input,.at-table.at-edit select{width:100%;min-width:70px;border:1px solid var(--border);border-radius:7px;padding:7px 8px;font:inherit;font-size:.9rem;background:var(--bg);color:var(--text)}
.at-table.at-edit input[type=number]{min-width:90px;text-align:right}
.at-table.at-edit td.ro{text-align:right;font-weight:600;padding-right:10px}
.at-items-bar{display:flex;gap:8px;align-items:center;margin-top:10px;flex-wrap:wrap}

/* Doc sections */
.at-sec{border:1px solid var(--border);border-radius:12px;margin-bottom:10px;background:var(--bg-2)}
.at-sec summary{cursor:pointer;padding:11px 14px;font-weight:600;list-style:none;display:flex;justify-content:space-between}
.at-sec summary::after{content:'▾';color:var(--text-2)} .at-sec:not([open]) summary::after{content:'▸'}
.at-sec summary::-webkit-details-marker{display:none}
.at-sec>.at-form,.at-sec>.at-items,.at-sec>.at-field{padding:0 14px 14px}
.at-docbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.at-paper-wrap{overflow-x:auto;background:var(--bg-3);padding:6px 0}
.at-paper{background:#fff;color:#111;width:210mm;min-height:200mm;margin:0 auto;padding:14mm 14mm;box-shadow:0 2px 14px rgba(0,0,0,.18);transform-origin:top left;font-size:12.5px}
@media(max-width:900px){.at-paper{zoom:.6}}
@media(max-width:480px){.at-paper{zoom:.45}}

/* Content below tool */
.tool-body{display:grid;grid-template-columns:1fr;gap:22px;padding:26px 0 40px}
@media(min-width:960px){.tool-body{grid-template-columns:minmax(0,1fr) 300px}}
.content{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r);padding:22px}
.content h2{margin-top:1.3em;font-size:1.2rem} .content h2:first-child{margin-top:0}
.content p,.content li{color:var(--text-2)} .content p{margin:.6em 0}
.content table{width:100%;border-collapse:collapse;font-size:.9rem;margin:10px 0} .content td,.content th{border:1px solid var(--border);padding:7px 9px;text-align:left}
.faq details{border-bottom:1px solid var(--border);padding:10px 0} .faq summary{cursor:pointer;font-weight:600}
.faq p{margin:8px 0 0}
.side .box{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r);padding:16px;margin-bottom:14px}
.side h3{font-size:.95rem;margin-bottom:10px}
.side ul{list-style:none;padding:0;margin:0} .side li{padding:7px 0;border-bottom:1px solid var(--border);font-size:.92rem} .side li:last-child{border:0}
.ad{min-height:90px;display:grid;place-items:center;color:var(--text-2);font-size:.8rem;border:1px dashed var(--border);border-radius:12px}
.share{display:flex;gap:8px;flex-wrap:wrap}

/* Static pages */
.page{max-width:820px;margin:0 auto;padding:30px 0 50px}
.page .content h1{margin-bottom:.4em}

/* Footer */
.ftr{border-top:1px solid var(--border);background:var(--bg-2);padding:34px 0 26px;margin-top:20px;color:var(--text-2);font-size:.9rem}
.ftr .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:22px}
.ftr h4{margin:0 0 10px;color:var(--text);font-size:.92rem}
.ftr a{display:block;color:var(--text-2);padding:3px 0} .ftr a:hover{color:var(--brand)}
.ftr .bottom{margin-top:26px;padding-top:16px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:.84rem}

/* Toast */
#at-toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:var(--text);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:.9rem;font-weight:600;opacity:0;pointer-events:none;transition:.2s;z-index:999}
#at-toast.show{opacity:1;transform:translate(-50%,0)}
#at-toast.err{background:var(--err);color:#fff}

/* Print: only the paper */
@media print{body *{visibility:hidden} .at-paper,.at-paper *{visibility:visible} .at-paper{position:absolute;left:0;top:0;box-shadow:none;zoom:1;width:auto}}