/* ============================================================
   relevé — shared stylesheet (chrome + design tokens + dark mode)
   Loaded by every page. App-specific component CSS stays inline
   in index.html; here we own tokens, navigation, footer, the
   legal/content pages, and all dark-theme overrides.
   ============================================================ */

:root{
  --paper:#f4f0e6;--paper-2:#fffdf7;--paper-3:#fbf8f0;
  --ink:#16241d;--ink-soft:#4a584f;--ink-faint:#8a958c;
  --accent:#0e9f6e;--accent-dark:#0a6f4d;--accent-glow:rgba(14,159,110,.18);
  --debit:#c0410c;--credit:#0a8a5f;
  --line:rgba(22,36,29,.13);--line-strong:rgba(22,36,29,.28);
  --card:#fffdf7;--shadow:0 1px 0 rgba(22,36,29,.04), 0 18px 40px -24px rgba(22,36,29,.45);
  --radius:18px;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --sans:"Hanken Grotesk",-apple-system,system-ui,sans-serif;
  --serif:"Fraunces",Georgia,serif;
  /* surfaces used by the app + content */
  --surface-2:#efece2;--hover:#faf7ef;--field-bg:#ffffff;color-scheme:light;
  --accent-soft:#e6f6ee;--accent-soft-line:#bfe6d4;--debit-soft:#fbe6dd;
  --bar:#0c130f;--bar-ink:#e8ede9;
}

html[data-theme="dark"]{
  --paper:#0e1512;--paper-2:#151e19;--paper-3:#18221d;
  --ink:#e9efea;--ink-soft:#aab6ae;--ink-faint:#74827a;
  --accent:#1bc78d;--accent-dark:#37d39a;--accent-glow:rgba(27,199,141,.22);
  --debit:#ff8159;--credit:#3ddc9a;
  --line:rgba(255,255,255,.10);--line-strong:rgba(255,255,255,.22);
  --card:#151e19;--shadow:0 1px 0 rgba(0,0,0,.25), 0 22px 48px -26px rgba(0,0,0,.85);
  --surface-2:#1b2620;--hover:rgba(255,255,255,.045);--field-bg:#0e1512;
  --accent-soft:rgba(27,199,141,.14);--accent-soft-line:rgba(27,199,141,.34);--debit-soft:rgba(255,129,89,.18);
  --bar:#0a0f0c;--bar-ink:#e9efea;color-scheme:dark;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto}

/* ---------- top navigation ---------- */
.site-nav{position:sticky;top:0;z-index:40;background:var(--paper);background:color-mix(in srgb,var(--paper) 86%,transparent);backdrop-filter:saturate(1.3) blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1180px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:18px}
.nav-brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);margin-right:auto}
.nav-mark{width:38px;height:38px;border-radius:11px;background:var(--accent-dark);display:grid;place-items:center;color:#fff;font-family:var(--serif);font-weight:600;font-size:18px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.nav-mark::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 55%,rgba(255,255,255,.28) 56%)}
.nav-mark span{position:relative;z-index:1}
.nav-logo{width:36px;height:36px;display:block;flex:none;border-radius:8px;box-shadow:var(--shadow)}
.nav-mark-svg{display:inline-flex}
.nav-brand .name{font-family:var(--serif);font-weight:600;font-size:20px;letter-spacing:-.01em}
.nav-brand .name em{font-style:normal;color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{font-size:14px;font-weight:600;color:var(--ink-soft);text-decoration:none;padding:8px 12px;border-radius:9px;transition:.15s}
.nav-link:hover{color:var(--ink);background:var(--hover)}
.nav-link.active{color:var(--accent-dark);background:var(--accent-soft)}
.menu-btn{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:9px;color:var(--ink);font-size:18px;width:40px;height:40px;cursor:pointer}
.theme-btn{margin-left:6px;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--paper-2);color:var(--ink);cursor:pointer;display:grid;place-items:center;transition:.15s}
.theme-btn:hover{border-color:var(--accent);color:var(--accent-dark)}
.theme-btn svg{width:18px;height:18px}
.theme-btn .i-moon{display:none}
.theme-btn .i-sun{display:block}
html[data-theme="dark"] .theme-btn .i-sun{display:none}
html[data-theme="dark"] .theme-btn .i-moon{display:block}

@media(max-width:760px){
  .menu-btn{display:grid;place-items:center}
  .nav-links{position:absolute;top:62px;right:16px;left:16px;flex-direction:column;align-items:stretch;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:10px;display:none}
  .nav-links.open{display:flex}
  .nav-link{padding:11px 13px}
  .theme-btn{width:100%;height:42px;margin-left:0}
}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--paper-2);margin-top:48px}
.foot-inner{max-width:1180px;margin:0 auto;padding:32px 24px;display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between}
.foot-col{max-width:340px}
.foot-col h4{font-family:var(--serif);font-size:16px;font-weight:600;margin-bottom:8px}
.foot-col p{font-size:13.5px;color:var(--ink-soft)}
.foot-links{display:flex;flex-direction:column;gap:7px}
.foot-links a{font-size:13.5px;color:var(--ink-soft);text-decoration:none}
.foot-links a:hover{color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{border-top:1px solid var(--line);padding:16px 24px;text-align:center;font-size:12.5px;color:var(--ink-faint)}
.foot-bottom b{color:var(--accent-dark)}

/* ---------- content / legal pages ---------- */
.doc{max-width:820px;margin:0 auto;padding:48px 24px 20px}
.doc .eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-dark)}
.doc h1{font-family:var(--serif);font-weight:600;font-size:clamp(30px,5vw,44px);line-height:1.05;letter-spacing:-.02em;margin:10px 0 6px}
.doc .updated{font-size:13px;color:var(--ink-faint);margin-bottom:8px}
.doc h2{font-family:var(--serif);font-weight:600;font-size:22px;margin:34px 0 10px;letter-spacing:-.01em}
.doc h3{font-size:16px;font-weight:700;margin:20px 0 6px}
.doc p,.doc li{font-size:15.5px;color:var(--ink-soft);margin-bottom:12px}
.doc ul{margin:0 0 14px;padding-left:22px}
.doc li{margin-bottom:7px}
.doc a{color:var(--accent-dark);text-decoration:underline;text-underline-offset:2px}
.doc strong{color:var(--ink)}
.doc .lead{font-size:18px;color:var(--ink-soft);margin:6px 0 22px}
.callout{background:var(--accent-soft);border:1px solid var(--accent-soft-line);border-radius:14px;padding:16px 18px;margin:18px 0;font-size:14.5px;color:var(--ink)}
.callout strong{color:var(--accent-dark)}
.note{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:13.5px;color:var(--ink-soft);margin:16px 0}
.doc table{border-collapse:collapse;width:100%;margin:14px 0;font-size:14px}
.doc th,.doc td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.doc th{background:var(--surface-2);font-weight:700;color:var(--ink)}
.doc td{color:var(--ink-soft)}
.crumb{display:inline-flex;gap:8px;font-size:13px;color:var(--ink-faint);margin-bottom:8px}
.crumb a{color:var(--ink-faint);text-decoration:none}
.crumb a:hover{color:var(--accent-dark)}
.btn-link,.doc a.btn-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:#06301f;background:var(--accent);border:1px solid transparent;border-radius:11px;padding:12px 22px;text-decoration:none;margin-top:8px;box-shadow:var(--shadow)}
.btn-link:hover,.doc a.btn-link:hover{filter:brightness(1.06);color:#06301f;text-decoration:none}
.btn-link:focus-visible,.doc a.btn-link:focus-visible{outline:3px solid var(--accent-glow);outline-offset:2px}
.field{display:block;margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:5px}
.field input,.field textarea{width:100%;border:1px solid var(--line-strong);border-radius:10px;padding:11px 13px;font-family:var(--sans);font-size:15px;background:var(--field-bg);color:var(--ink)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}

/* ============================================================
   DARK-THEME overrides for the converter app surfaces
   (the app's inline CSS hardcodes a few light backgrounds)
   ============================================================ */
html[data-theme="dark"] body::before{opacity:.5;mix-blend-mode:overlay}
html[data-theme="dark"] .site-nav{background:color-mix(in srgb,var(--paper) 80%,transparent)}
html[data-theme="dark"] thead th{background:var(--surface-2)}
html[data-theme="dark"] .toolbar,
html[data-theme="dark"] .mapping{background:var(--surface-2)}
html[data-theme="dark"] .mini-sheet .r.h{background:var(--surface-2)}
html[data-theme="dark"] tbody tr:hover{background:var(--hover)}
html[data-theme="dark"] td .cell:focus{background:var(--field-bg)}
html[data-theme="dark"] .delbtn:hover{background:var(--debit-soft)}
html[data-theme="dark"] .badge{background:var(--accent-soft);border-color:var(--accent-soft-line);color:var(--accent-dark)}
html[data-theme="dark"] .drop{background:linear-gradient(180deg,var(--paper-2),var(--paper-3))}
html[data-theme="dark"] .drop.over{background:var(--accent-soft)}
html[data-theme="dark"] .tbtn:hover,
html[data-theme="dark"] .addrow:hover{background:var(--accent-soft)}
/* the dark bars (export + toast) keep a dark surface even though --ink flips light */
html[data-theme="dark"] .toast{background:var(--bar);color:var(--bar-ink)}
html[data-theme="dark"] .tab.active{background:var(--accent-dark);color:#06231a;border-color:var(--accent-dark)}