:root { --ink:#1b1b1f; --mute:#6b6b70; --line:#e6e4df; --bg:#faf9f6; --card:#fff; --accent:#1f3a5f; --accent2:#eaf0f7; --warn:#a12; }
* { box-sizing: border-box; }
body { margin:0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--accent); }
header.top { display:flex; align-items:center; justify-content:space-between; gap:12px; padding: 14px 20px; background:#fff; border-bottom:1px solid var(--line); position: sticky; top:0; z-index: 5; flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); font-size: 18px; } .brand span { color: var(--accent); }
nav { display:flex; gap: 6px 14px; flex-wrap: wrap; align-items:center; } nav a { text-decoration: none; color: var(--ink); font-size: 15px; }
main { max-width: 860px; margin: 0 auto; padding: 24px 20px 60px; }
h1 { font-size: 30px; line-height: 1.2; margin: 10px 0 8px; } h2 { font-size: 22px; margin: 32px 0 8px; } h3 { font-size: 18px; margin: 20px 0 6px; }
.lead { font-size: 18px; color: #333; margin-top: 0; }
.muted { color: var(--mute); } .small { font-size: 13px; }
.cta { display:inline-block; background: var(--accent); color:#fff !important; text-decoration:none; padding: 10px 16px; border-radius: 10px; border:0; font: inherit; font-weight:600; cursor:pointer; }
.cta.big { padding: 14px 22px; font-size: 17px; margin-top: 12px; }
.ghost { display:inline-block; background:#fff; color:var(--ink) !important; border:1px solid var(--line); text-decoration:none; padding: 9px 14px; border-radius: 10px; font: inherit; cursor:pointer; }
.tool { background: var(--accent2); border: 1px solid #cfdae8; border-radius: 16px; padding: 20px; margin: 26px 0; }
.sf .fl { display:block; font-size: 14px; color: var(--mute); margin-top: 10px; font-weight: 500; } .sf .hint { display:block; font-weight: 400; font-size: 12px; }
textarea, input[type=text], input[type=email], select { width:100%; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background:#fff; margin-top: 4px; color: var(--ink); }
label.file { display:inline-block; background:#fff; border:1px dashed var(--accent); border-radius: 10px; padding: 10px 14px; cursor:pointer; margin-top: 8px; font-size: 14px; }
.actions { display:flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.err { color: var(--warn); background:#fff0f0; border:1px solid #f3c9c9; border-radius: 10px; padding: 10px 12px; }
.spin::before { content: ""; display:inline-block; width: 12px; height: 12px; border: 2px solid var(--accent); border-right-color: transparent; border-radius: 50%; margin-right: 8px; animation: sp 1s linear infinite; vertical-align: middle; }
@keyframes sp { to { transform: rotate(360deg); } }
ul.cards { list-style:none; padding:0; display:grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
ul.cards a { display:block; background:#fff; border:1px solid var(--line); border-radius: 12px; padding: 12px 14px; text-decoration:none; color: var(--ink); height: 100%; }
ul.cards b { display:block; margin-bottom: 4px; } ul.cards span { color: var(--mute); font-size: 14px; }
pre.doc { background:#fff; border:1px solid var(--line); border-radius: 12px; padding: 24px 28px; font: 15px/1.6 Georgia, "Times New Roman", serif; white-space: pre-wrap; overflow-x: auto; }
.docv { background:#fff; border:1px solid var(--line); border-radius: 12px; padding: 24px 28px; }
.docv h3 { margin: 0 0 10px; font-size: 22px; } .docv h4 { margin: 18px 0 6px; text-transform: uppercase; font-size: 12px; letter-spacing: .8px; color: var(--accent); border-bottom: 1px solid #d8dee6; padding-bottom: 4px; }
.docv p { margin: 0 0 10px; } .docv ul { margin: 4px 0 8px; padding-left: 20px; }
.tabs { display:flex; gap:6px; flex-wrap:wrap; margin: 16px 0; } .tab { background:#fff; border:1px solid var(--line); border-radius: 999px; padding: 8px 14px; font: inherit; cursor:pointer; } .tab.on { background: var(--accent); color:#fff; border-color: var(--accent); }
.pane-notes { background:#fff; border:1px solid var(--line); border-radius: 12px; padding: 12px 18px; margin-top: 16px; } .pane-notes.warn { border-color: #f0d9a8; background: #fffaf0; }
.faq h3 { margin-top: 18px; }
table.cmp { border-collapse: collapse; width: 100%; font-size: 15px; } table.cmp th, table.cmp td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; } table.cmp th { background: #f3f1ec; }
footer { border-top: 1px solid var(--line); padding: 20px; color: var(--mute); font-size: 13px; text-align:center; }
@media print { header.top, footer, .tabs, .actions, .tool, .pane-notes { display: none !important; } .docv, pre.doc { border: 0; } }
.score { display:flex; align-items:baseline; gap:10px; margin: 12px 0 6px; flex-wrap: wrap; } .score b { font-size: 30px; color: var(--accent); } .score span { color: var(--mute); }