/* Anchora base styles: the verify page, and (copied as base.css) the app. Tokens: Anchora - Design System (vault).
   Self-hosted Inter (fonts/, SIL OFL); headings use the system serif. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/inter-latin-wght-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/inter-latin-ext-wght-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --accent: #0f766e;
  --accent-hover: #115e59;
  --accent-soft: #f0fdfa;
  --accent-text: #ffffff;
  --focus: #0f766e;
  --shadow: 0 1px 2px rgb(15 23 42 / 0.04), 0 8px 24px -12px rgb(15 23 42 / 0.12);
  --shadow-lg: 0 1px 2px rgb(15 23 42 / 0.05), 0 24px 48px -24px rgb(4 47 46 / 0.35);
  --neutral-bg: #f1f5f9;
  --neutral-fg: #1e293b;
  --final-bg: #e5f4ea;
  --final-fg: #0d4a22;
  --final-bd: #1e7b3c;
  --pending-bg: #fff3dc;
  --pending-fg: #5c3a00;
  --pending-bd: #b06d00;
  --bad-bg: #fdeceb;
  --bad-fg: #7d1a12;
  --bad-bd: #c0392b;
  --warn-bg: #f1ecfb;
  --warn-fg: #3d2470;
  --warn-bd: #6b46c1;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: Georgia, Cambria, "Times New Roman", serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  /* brand panel (hero band, auth panel, app sidebar): the same in light and dark mode */
  --panel: #042f2e;
  --panel-raised: #0a3d3a;
  --panel-line: rgb(255 255 255 / 0.08);
  --panel-text: #ecf6f5;
  --panel-muted: #9cc2be;
  --gold: #b8975a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1215;
    --card: #111a1e;
    --text: #e6edf0;
    --muted: #9aa9b0;
    --border: #22313a;
    --border-strong: #33454f;
    --accent: #2dd4bf;
    --accent-hover: #5eead4;
    --accent-soft: #0f2a28;
    --accent-text: #042f2e;
    --focus: #2dd4bf;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 8px 24px -12px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 1px 2px rgb(0 0 0 / 0.3), 0 24px 48px -24px rgb(0 0 0 / 0.7);
    --neutral-bg: #17232a;
    --neutral-fg: #e6edf0;
    --final-bg: #0f2e1b;
    --final-fg: #b9f0cb;
    --final-bd: #4cc27a;
    --pending-bg: #33240a;
    --pending-fg: #ffdca0;
    --pending-bd: #e0a23a;
    --bad-bg: #3a1513;
    --bad-fg: #ffc4bd;
    --bad-bd: #ef6b5e;
    --warn-bg: #261d3d;
    --warn-fg: #dccdff;
    --warn-bd: #a689f0;
    --panel: #031f1e;
    --panel-raised: #08302d;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2.display {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(1.9rem, 1.5rem + 1.8vw, 2.6rem); line-height: 1.12; margin: 0 0 12px; }
h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}
h3 { font-size: 0.95rem; font-weight: 600; margin: 10px 0 4px; }
.lead { color: var(--muted); font-size: 1.05rem; margin: 0; max-width: 60ch; }
.help, .small { color: var(--muted); }
.help { margin: 8px 0 0; font-size: 0.9rem; }
.small { font-size: 0.875rem; margin: 14px 2px 0; }

/* ---------------------------------------------------------------- brand */
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--panel-text); text-decoration: none; }
.brand-tile {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--panel-raised);
  box-shadow: inset 0 0 0 1px var(--panel-line);
  flex: none;
}
.brand-mark {
  width: 24px;
  height: 24px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.brand-name { display: block; font-family: var(--serif); font-weight: 700; font-size: 1.2rem; line-height: 1.15; }
.brand-tag { display: block; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin-top: 2px; }
.gold-rule { display: block; width: 48px; height: 1px; background: var(--gold); margin-bottom: 22px; }

/* ---------------------------------------------------------------- hero band (verify page) */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  color: var(--panel-text);
  padding: 28px 16px 120px;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(184 151 90 / 0.45), transparent);
}
.hero-watermark {
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 460px;
  height: 460px;
  stroke: rgb(255 255 255 / 0.045);
  fill: none;
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}
/* same content width as main (760 minus its 2 x 16px padding), so the card lines up with the hero text */
.hero-inner { position: relative; max-width: 728px; margin: 0 auto; }
.hero-copy { margin-top: 56px; }
.hero .lead { color: var(--panel-muted); font-size: 1.08rem; }
.hero-points { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 12px; }
.hero-points li { display: flex; gap: 12px; align-items: flex-start; color: var(--panel-muted); font-size: 0.92rem; }
.hero-points strong { color: var(--panel-text); font-weight: 600; }
.hero-points svg {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------------------------------------------------------------- page layout and footer */
main { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 16px 56px; }
.hero + main { margin-top: -84px; position: relative; }

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 20px 16px;
}
.site-footer p { margin: 0; }

.step-number {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--panel);
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 700;
  flex: none;
}
.optional {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
}

/* ---------------------------------------------------------------- cards */
.card, .result, .notice {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.hero + main .card { box-shadow: var(--shadow-lg); }
.card { padding: 8px 28px; }
.step { padding: 22px 0; }
.step + .step { border-top: 1px solid var(--border); }
.actions { border-top: 1px solid var(--border); padding: 18px 0 18px; display: flex; justify-content: flex-end; }

/* ---------------------------------------------------------------- form controls */
label { display: block; font-weight: 500; font-size: 0.9rem; margin-bottom: 6px; }

input[type="text"] {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font: 14.5px/1.4 var(--mono);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input[type="text"]:hover { border-color: var(--muted); }
input[type="text"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
input[aria-invalid="true"] { border-color: var(--bad-bd); box-shadow: 0 0 0 3px var(--bad-bg); }
.field-error { color: var(--bad-fg); font-weight: 600; font-size: 0.9rem; margin: 8px 0 0; }
.field-error::before { content: "Error: "; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 1px 2px rgb(4 47 46 / 0.25);
  transition: background-color 0.15s, border-color 0.15s, transform 0.05s;
}
.button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.button:active { transform: translateY(1px); }
.button.secondary { background: var(--card); color: var(--accent); border-color: var(--border-strong); box-shadow: none; }
.button.secondary:hover { background: var(--accent-soft); border-color: var(--accent); }
.button:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.drop:focus-within label { outline: 3px solid var(--focus); outline-offset: 2px; }
.result:focus { outline: 3px solid var(--focus); outline-offset: 3px; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.drop {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 14px;
  margin-top: 14px;
  padding: 30px 16px;
  border: 1.5px dashed var(--border-strong);
  border-radius: 14px;
  background:
    radial-gradient(circle at 50% 0%, var(--accent-soft), transparent 70%),
    var(--bg);
  text-align: center;
  transition: border-color 0.15s, background-color 0.15s;
}
.drop label { margin: 0; }
.drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop-icon {
  flex-basis: 100%;
  height: 30px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.drop-hint { color: var(--muted); font-size: 0.9rem; }

.hashing { margin-top: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.hashing label { margin: 0; flex-basis: 100%; font-weight: 400; color: var(--muted); }
progress {
  flex: 1 1 200px;
  height: 8px;
  border: 0;
  border-radius: 999px;
  overflow: hidden;
  background: var(--border);
  accent-color: var(--accent);
}
progress::-webkit-progress-bar { background: var(--border); border-radius: 999px; }
progress::-webkit-progress-value { background: var(--accent); border-radius: 999px; }
progress::-moz-progress-bar { background: var(--accent); border-radius: 999px; }

.file-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 6px; }
.file-list:empty { display: none; }
.file-list li {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

/* ---------------------------------------------------------------- result */
.result {
  margin-top: 20px;
  padding: 22px 26px 22px 72px;
  position: relative;
  border-width: 1px;
}
.result::before {
  position: absolute;
  left: 22px;
  top: 22px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--card);
}
.result h2 { margin: 3px 0 6px; font-family: var(--serif); font-size: 1.3rem; font-weight: 700; }
.result p { margin: 0; }
.result.neutral { background: var(--neutral-bg); color: var(--neutral-fg); border-color: var(--border); }
.result.final { background: var(--final-bg); color: var(--final-fg); border-color: var(--final-bd); }
.result.pending { background: var(--pending-bg); color: var(--pending-fg); border-color: var(--pending-bd); }
.result.bad { background: var(--bad-bg); color: var(--bad-fg); border-color: var(--bad-bd); }
.result.warn { background: var(--warn-bg); color: var(--warn-fg); border-color: var(--warn-bd); }
.result.neutral::before { content: "?"; background: var(--muted); }
.result.final::before { content: "\2713"; background: var(--final-bd); }
.result.pending::before { content: "\2026"; background: var(--pending-bd); }
.result.bad::before { content: "\2715"; background: var(--bad-bd); }
.result.warn::before { content: "!"; background: var(--warn-bd); }

dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 16px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  font-size: 0.9rem;
}
dt { font-weight: 600; }
dd { margin: 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
dd a { color: inherit; text-underline-offset: 3px; }

.notice { margin-top: 16px; padding: 16px 20px; border-color: var(--pending-bd); background: var(--pending-bg); color: var(--pending-fg); }

@media (max-width: 600px) {
  .hero { padding: 20px 16px 104px; }
  .hero-copy { margin-top: 36px; }
  .hero-watermark { width: 300px; height: 300px; right: -80px; bottom: -80px; }
  .card { padding: 4px 18px; }
  .result { padding: 18px 18px 18px 62px; }
  .result::before { left: 16px; top: 18px; }
  .actions .button { width: 100%; }
  dl { grid-template-columns: 1fr; }
  dd { margin-bottom: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

[hidden] { display: none !important; }