/* TAVUKI OS — TDC design system v4. Self-hosted fonts, locked type scale,
   token layer, componentised surfaces. Low-bandwidth first (L7). */

@font-face {
  font-family: 'Sora'; font-weight: 700; font-display: swap;
  src: url('/fonts/sora-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Public Sans'; font-weight: 100 900; font-display: swap;
  src: url('/fonts/publicsans-var.woff2') format('woff2');
}

:root {
  /* palette */
  --ink: #1a2330; --paper: #f7f5f0; --card: #ffffff;
  --deep: #0f2b46; --deep-2: #16385a; --deep-3: #1d4570;
  --tan: #b98c3f; --tan-soft: #e8d9bb;
  --ok: #1e7a46; --ok-soft: #e3f2e9; --warn: #9a6b00; --warn-soft: #f8efd8;
  --danger: #a12a2a; --line: #e2dccd; --line-strong: #cfc6b0; --muted: #5d6672;
  /* type scale (locked, v4.0 §A) */
  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Public Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --fs-h1: 28px; --fs-h2: 20px; --fs-desc: 14px; --fs-body: 15.5px;
  --fs-table: 14px; --fs-label: 12px; --fs-tile: 26px;
  /* surfaces */
  --radius: 12px; --radius-sm: 8px;
  --shadow-1: 0 1px 2px rgba(15,43,70,.06), 0 2px 8px rgba(15,43,70,.06);
  --shadow-2: 0 4px 10px rgba(15,43,70,.10), 0 10px 28px rgba(15,43,70,.10);
  --ease: 150ms cubic-bezier(.2,.7,.3,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body); font-size: var(--fs-body); line-height: 1.55;
  background: var(--paper); color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--tan-soft); color: var(--ink); }
* { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 99px; }

/* ---------- header / footer ---------- */
header.site {
  background: linear-gradient(135deg, var(--deep) 0%, var(--deep-2) 100%);
  color: #fff; padding: 1.05rem 1.4rem;
  border-bottom: 3px solid var(--tan);
}
header.site h1 {
  margin: 0; font-family: var(--font-display); font-size: var(--fs-h1);
  font-weight: 700; letter-spacing: .01em; line-height: 1.2;
}
header.site p { margin: .3rem 0 0; color: #c3d0de; font-size: var(--fs-desc); }
header.site a { color: #eaf0f6; }
.header-cta {
  display: inline-block; background: var(--tan); color: #fff !important;
  font-size: 15px; font-weight: 700; text-decoration: none;
  padding: .5rem 1.1rem; border-radius: 99px; transition: transform var(--ease), box-shadow var(--ease);
}
header.site .badge { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.35); color: #eaf0f6; }
header.site .badge.ok { background: rgba(30,122,70,.35); border-color: #7fd0a0; color: #c9f0d8; }
header.site .badge.warn { background: rgba(154,107,0,.35); border-color: #e8c477; color: #ffe9bd; }
header.site button.ghost { color: #eaf0f6; border-color: rgba(255,255,255,.55); }
footer.site {
  max-width: 980px; margin: 0 auto; padding: 1.2rem 1.4rem 2.2rem;
  color: var(--muted); font-size: 13px; border-top: 1px solid var(--line);
}

/* ---------- typography ---------- */
h2 {
  font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 700;
  color: var(--deep); margin: 2.2rem 0 .35rem; line-height: 1.25;
  padding-bottom: .35rem; position: relative;
}
h2::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 44px; height: 3px; background: var(--tan); border-radius: 2px;
}
h3 { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--deep); }
main { max-width: 980px; margin: 0 auto; padding: 1.1rem 1.4rem 3rem; }
.note { font-size: var(--fs-desc); color: var(--muted); margin: .35rem 0 .65rem; }
a { color: var(--deep-3); text-underline-offset: 2px; }
a:hover { color: var(--tan); }

/* ---------- cards / tiles ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: .8rem; margin-top: 1rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.05rem; box-shadow: var(--shadow-1);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.card .label {
  font-size: var(--fs-label); font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; color: var(--muted); line-height: 1.35;
}
.card .value {
  font-family: var(--font-display); font-size: var(--fs-tile); font-weight: 700;
  margin-top: .3rem; font-variant-numeric: tabular-nums; line-height: 1.15;
}
.card.ok .value { color: var(--ok); }
.card.warn .value { color: var(--warn); }
.small-value { font-size: 15px !important; font-family: var(--font-body) !important; font-weight: 700; line-height: 1.35; }
.group-head {
  grid-column: 1 / -1; font-size: var(--fs-label); font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em; color: var(--tan);
  margin: .9rem 0 -.3rem; border-bottom: 1px solid var(--line); padding-bottom: .3rem;
}

/* ---------- tables ---------- */
table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-1);
  font-size: var(--fs-table); margin: .5rem 0 1rem;
}
thead th { position: sticky; top: 0; z-index: 2; }
th {
  background: var(--deep); color: #dfe8f2; text-align: left;
  padding: .6rem .75rem; font-size: var(--fs-label); font-weight: 600;
  text-transform: uppercase; letter-spacing: .07em;
}
td { padding: .58rem .75rem; border-bottom: 1px solid var(--line); }
tbody tr:nth-child(even) td { background: #fbfaf6; }
tbody tr:hover td { background: var(--tan-soft); transition: background var(--ease); }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- badges ---------- */
.badge {
  display: inline-block; font-size: 12px; font-weight: 600;
  padding: .18rem .6rem; border-radius: 99px;
  border: 1px solid var(--line-strong); color: var(--muted); background: var(--card);
}
.badge.ok { color: var(--ok); border-color: var(--ok); background: var(--ok-soft); }
.badge.warn { color: var(--warn); border-color: var(--warn); background: var(--warn-soft); }

/* ---------- buttons / forms ---------- */
button {
  font: inherit; font-weight: 700; background: var(--deep); color: #fff;
  border: none; border-radius: var(--radius-sm); padding: .6rem 1.15rem; cursor: pointer;
  transition: transform var(--ease), box-shadow var(--ease), background var(--ease);
  box-shadow: var(--shadow-1);
}
button.small { padding: .3rem .7rem; font-size: 13px; }
button.ghost { background: transparent; color: var(--deep); border: 1.5px solid var(--deep); box-shadow: none; }
button:disabled { opacity: .45; cursor: default; transform: none !important; }
:focus-visible { outline: 3px solid var(--tan); outline-offset: 2px; border-radius: 4px; }
form.stack {
  display: grid; gap: .7rem; max-width: 460px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.15rem; box-shadow: var(--shadow-1);
}
label { font-size: var(--fs-label); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); display: grid; gap: .3rem; }
input, select, textarea {
  font: inherit; font-size: var(--fs-body); padding: .55rem .7rem;
  border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm);
  background: var(--card); width: 100%; color: var(--ink);
  transition: border-color var(--ease), box-shadow var(--ease);
}
input:focus, select:focus, textarea:focus { border-color: var(--tan); box-shadow: 0 0 0 3px var(--tan-soft); outline: none; }
select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235d6672' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .7rem center; padding-right: 2.1rem;
}
.msg { font-size: var(--fs-desc); min-height: 1.25rem; font-weight: 600; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }
.row { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* ---------- toast / modal (common.js) ---------- */
#toast-stack { position: fixed; right: 1rem; bottom: 1rem; display: grid; gap: .5rem; z-index: 200; }
.toast {
  background: var(--deep); color: #fff; font-size: var(--fs-desc); font-weight: 600;
  padding: .7rem 1rem; border-radius: var(--radius-sm); box-shadow: var(--shadow-2);
  border-left: 4px solid var(--tan); max-width: 340px;
}
.toast.ok { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--danger); }
.modal-back { position: fixed; inset: 0; background: rgba(15,43,70,.55); z-index: 190; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow-2);
  padding: 1.3rem; max-width: 440px; width: 100%;
}
.modal h3 { margin: 0 0 .6rem; }

/* ---------- spine layout ---------- */
.layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); max-width: 1280px; margin: 0 auto; }
.spine-side {
  background: linear-gradient(180deg, var(--deep-2), var(--deep));
  color: #dfe8f2; padding: 1.1rem 1rem 2rem;
  position: sticky; top: 0; align-self: start; height: 100vh; overflow-y: auto;
}
.side-nav { display: flex; flex-direction: column; gap: .18rem; counter-reset: navsec; }
.side-nav a {
  color: #dfe8f2; text-decoration: none; font-size: 14.5px; font-weight: 600;
  padding: .5rem .8rem; border-radius: var(--radius-sm);
  border-left: 3px solid transparent; counter-increment: navsec;
  transition: background var(--ease), border-color var(--ease), padding-left var(--ease);
}
.side-nav a::before {
  content: counter(navsec, decimal-leading-zero); margin-right: .6rem;
  font-size: 11px; color: var(--tan); font-variant-numeric: tabular-nums;
}
.side-nav a:hover { background: rgba(255,255,255,.08); padding-left: 1rem; }
.side-nav a.active { background: rgba(255,255,255,.10); border-left-color: var(--tan); }
.side-sources { margin-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.14); padding-top: 1rem; }
.side-sources h3 {
  margin: 0 0 .5rem; font-family: var(--font-body); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em; color: #9db2c7;
}
.side-sources ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.side-sources a { color: #c3d0de; font-size: 12.5px; text-decoration: none; line-height: 1.4; display: block; }
.side-sources a:hover { color: #fff; text-decoration: underline; }
main > section { scroll-margin-top: 1rem; padding: .4rem 0 1.6rem; border-bottom: 1px solid var(--line); }
main > section:last-of-type { border-bottom: none; }

/* ---------- content cards ---------- */
.proj, .vcard {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .9rem 1.05rem; margin: .6rem 0; box-shadow: var(--shadow-1);
  transition: transform var(--ease), box-shadow var(--ease);
}
.proj strong, .vcard strong { font-size: 16px; }
.proj .row { gap: .45rem; }
.vgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(235px, 1fr)); gap: .8rem; }
.vlink { font-family: var(--font-display); font-weight: 700; color: var(--deep); text-decoration: none; font-size: 17px; }
.vlink:hover { color: var(--tan); }
.tl { display: inline-flex; gap: 2px; vertical-align: middle; }
.tl-seg { width: 14px; height: 8px; background: var(--line); border-radius: 2px; }
.tl-seg.on { background: var(--tan); }
details { margin-top: .55rem; }
details summary { cursor: pointer; font-weight: 600; color: var(--deep-3); }
details .row { margin: .4rem 0; }
.qbar { height: 12px; background: var(--line); border-radius: 99px; margin-top: .55rem; overflow: hidden; }
.qfill { height: 100%; width: 0; background: var(--warn); transition: width .5s var(--ease); }
.qfill.met { background: var(--ok); }
#sig-pad { background: var(--card); border: 2px dashed var(--line-strong); border-radius: var(--radius); touch-action: none; max-width: 100%; }
.skeleton { background: linear-gradient(90deg, var(--line) 25%, #efeadf 50%, var(--line) 75%); background-size: 200% 100%; border-radius: var(--radius-sm); min-height: 3.4rem; }

/* ---------- soli projection ---------- */
body.soli { background: var(--deep); color: #fff; }
body.soli main { max-width: 1100px; }
.soli-title { text-align: center; margin: 1rem 0 0; font-family: var(--font-display); font-size: 1.7rem; }
.soli-sub { text-align: center; color: #b8c6d6; margin: .2rem 0 1rem; }
.soli-total { text-align: center; font-family: var(--font-display); font-size: clamp(2.6rem, 9vw, 5.5rem); font-weight: 700; margin: .5rem 0; color: #ffd98a; font-variant-numeric: tabular-nums; }
.soli-declared { text-align: center; color: #9fd6b1; font-size: 1.1rem; margin-bottom: 1.5rem; }
.soli-list { display: grid; gap: .45rem; }
.soli-row { display: flex; align-items: baseline; gap: 1rem; background: var(--deep-2); border-radius: var(--radius); padding: .65rem 1.05rem; }
.soli-row .name { font-size: 1.15rem; font-weight: 700; flex: 1; }
.soli-row .amt { font-size: 1.3rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.soli-row .rounds { color: #b8c6d6; font-size: .8rem; }
.soli-stamp { text-align: center; color: #b8c6d6; font-size: .8rem; margin-top: 1.25rem; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.login-brand {
  background: linear-gradient(160deg, var(--deep) 0%, var(--deep-3) 100%);
  color: #fff; display: flex; flex-direction: column; justify-content: center;
  padding: 3rem; border-right: 4px solid var(--tan);
}
.login-brand h1 { font-family: var(--font-display); font-size: 34px; margin: 0 0 .4rem; }
.login-brand p { color: #c3d0de; font-size: 15px; max-width: 40ch; }
.login-panel { display: flex; align-items: center; justify-content: center; padding: 2rem; }
.login-panel form.stack { width: 100%; max-width: 400px; box-shadow: var(--shadow-2); }

/* ---------- motion & interaction (capable devices only) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .card:hover, .proj:hover, .vcard:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); border-color: var(--tan); }
  button:hover:not(:disabled) { transform: translateY(-1px); box-shadow: var(--shadow-2); }
  button:active:not(:disabled) { transform: translateY(0) scale(.98); }
  .header-cta:hover { transform: translateY(-1px) scale(1.03); box-shadow: var(--shadow-2); }
  .skeleton { animation: shimmer 1.4s infinite; }
  @keyframes shimmer { to { background-position: -200% 0; } }
  .toast { animation: toast-in .25s var(--ease); }
  @keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .spine-side { position: static; height: auto; }
  .side-nav { flex-direction: row; overflow-x: auto; }
  .side-nav a { white-space: nowrap; border-left: none; }
  .side-sources { display: none; }
  .login-wrap { grid-template-columns: 1fr; }
  .login-brand { padding: 2rem 1.4rem; border-right: none; border-bottom: 4px solid var(--tan); }
}
@media (max-width: 600px) {
  th, td { padding: .45rem .5rem; font-size: 13px; }
  main { padding: .8rem .8rem 2.5rem; }
  header.site { padding: .9rem 1rem; }
}

/* ---------- print ---------- */
@media print {
  header.site .row, nav, #controls, #motion-box, #action-form, #sig-block,
  .badge a, button, .spine-side, #toast-stack { display: none !important; }
  body { background: #fff; font-size: 12px; }
  .card, .proj, .vcard, table { box-shadow: none; }
  h2::after { display: none; }
}