/* explain_guide.css — "How the Document Helper works" walkthrough.
   Everything is scoped under .wg-dhg so it never leaks into the app. Uses
   Waegook's green accent; tokens redefine for dark mode. */

.wg-dhg {
  --dhg-surface: #ffffff;
  --dhg-surface-2: #f4faf6;
  --dhg-ink: #16241c;
  --dhg-soft: #566b5f;
  --dhg-line: #e0eae3;
  --dhg-line-2: #cfe0d5;
  --dhg-accent: var(--wg-accent, #0eaf4c);
  --dhg-accent-ink: #0a7d37;
  --dhg-wash: #eafaf0;
  --dhg-blue: #22458f;
  --dhg-paper: #fcfcfa;
  --dhg-shadow: 0 6px 24px rgba(16, 40, 28, .10);
  --dhg-shadow-lg: 0 16px 44px rgba(16, 40, 28, .18);
  --dhg-mono: ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;

  max-width: 460px; margin: 0 auto; padding: 8px 16px 64px;
}
@media (prefers-color-scheme: dark) {
  .wg-dhg {
    --dhg-surface: #122019; --dhg-surface-2: #16261f; --dhg-ink: #e7f1eb;
    --dhg-soft: #9db1a6; --dhg-line: #23342b; --dhg-line-2: #2f4438;
    --dhg-accent-ink: #7ce8a5; --dhg-wash: #12251a; --dhg-blue: #6f92d8;
    --dhg-paper: #eef1ec; --dhg-shadow: 0 6px 24px rgba(0,0,0,.4); --dhg-shadow-lg: 0 16px 44px rgba(0,0,0,.55);
  }
}
:root[data-theme="dark"] .wg-dhg {
  --dhg-surface: #122019; --dhg-surface-2: #16261f; --dhg-ink: #e7f1eb;
  --dhg-soft: #9db1a6; --dhg-line: #23342b; --dhg-line-2: #2f4438;
  --dhg-accent-ink: #7ce8a5; --dhg-wash: #12251a; --dhg-blue: #6f92d8;
  --dhg-paper: #eef1ec; --dhg-shadow: 0 6px 24px rgba(0,0,0,.4); --dhg-shadow-lg: 0 16px 44px rgba(0,0,0,.55);
}
:root[data-theme="light"] .wg-dhg {
  --dhg-surface: #ffffff; --dhg-surface-2: #f4faf6; --dhg-ink: #16241c;
  --dhg-soft: #566b5f; --dhg-line: #e0eae3; --dhg-line-2: #cfe0d5;
  --dhg-accent-ink: #0a7d37; --dhg-wash: #eafaf0; --dhg-blue: #22458f;
  --dhg-paper: #fcfcfa; --dhg-shadow: 0 6px 24px rgba(16,40,28,.10); --dhg-shadow-lg: 0 16px 44px rgba(16,40,28,.18);
}

.wg-dhg { color: var(--dhg-ink); }

/* Hero */
.wg-dhg-hero { text-align: center; padding: 22px 4px 6px; }
.wg-dhg-eyebrow { font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--dhg-accent-ink); }
.wg-dhg-hero h1 { margin: 10px 0 8px; font-size: 1.9rem; line-height: 1.1; letter-spacing: -.03em; text-wrap: balance; }
.wg-dhg-hero > p { margin: 0 auto; max-width: 34ch; color: var(--dhg-soft); font-size: 1.02rem; }
.wg-dhg-chips { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; margin-top: 16px; }
.wg-dhg-chip { font-size: .74rem; font-weight: 600; padding: 5px 10px; border-radius: 999px; background: var(--dhg-surface); border: 1px solid var(--dhg-line-2); color: var(--dhg-soft); }
.wg-dhg-cta {
  display: inline-block; margin-top: 18px; text-decoration: none;
  background: var(--dhg-accent); color: #fff; font-weight: 700; font-size: .95rem;
  padding: 11px 22px; border-radius: 999px; box-shadow: 0 4px 14px color-mix(in srgb, var(--dhg-accent) 40%, transparent);
  transition: transform .15s var(--wg-ease-out, ease), filter .15s ease;
}
.wg-dhg-cta:hover { filter: brightness(1.05); transform: translateY(-1px); }

/* Steps */
.wg-dhg-step { margin-top: 28px; }
.wg-dhg-shead { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; padding: 0 2px; }
.wg-dhg-num { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--dhg-accent); color: #fff; font-size: .82rem; font-weight: 700; display: grid; place-items: center; transform: translateY(3px); font-variant-numeric: tabular-nums; }
.wg-dhg-shead h2 { margin: 0; font-size: 1.14rem; letter-spacing: -.02em; }
.wg-dhg-shead p { margin: 3px 0 0; font-size: .9rem; color: var(--dhg-soft); }

.wg-dhg-card { background: var(--dhg-surface); border: 1px solid var(--dhg-line); border-radius: 16px; box-shadow: var(--dhg-shadow); overflow: hidden; }
.wg-dhg-pad { padding: 16px; }

.wg-dhg-drop { border: 2px dashed var(--dhg-line-2); border-radius: 14px; padding: 22px 16px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px; background: var(--dhg-surface-2); }
.wg-dhg-demoji { font-size: 30px; }
.wg-dhg-drop b { font-size: .95rem; }
.wg-dhg-btnrow { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.wg-dhg-btn { font-size: .82rem; font-weight: 600; border-radius: 10px; padding: 8px 12px; border: 1px solid transparent; }
.wg-dhg-btn.solid { background: var(--dhg-accent); color: #fff; }
.wg-dhg-btn.ghost { background: var(--dhg-surface); color: var(--dhg-ink); border-color: var(--dhg-line-2); }
.wg-dhg-drop small { font-size: .74rem; color: var(--dhg-soft); }

.wg-dhg-reading { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 26px; text-align: center; }
.wg-dhg-spin { width: 40px; height: 40px; border-radius: 50%; border: 4px solid var(--dhg-line-2); border-top-color: var(--dhg-accent); animation: wg-dhg-spin 1s linear infinite; }
@keyframes wg-dhg-spin { to { transform: rotate(360deg); } }
.wg-dhg-reading b { font-size: 1rem; }
.wg-dhg-reading span { font-size: .84rem; color: var(--dhg-soft); }

.wg-dhg-tldr { background: linear-gradient(180deg, var(--dhg-wash), color-mix(in srgb, var(--dhg-wash) 40%, var(--dhg-surface))); border: 1px solid var(--dhg-line-2); border-left: 4px solid var(--dhg-accent); border-radius: 12px; padding: 12px 14px; }
.wg-dhg-tag { font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--dhg-accent-ink); }
.wg-dhg-tldr p { margin: 5px 0 0; font-weight: 650; font-size: 1.04rem; line-height: 1.4; }
.wg-dhg-kind { margin-top: 12px; font-size: .84rem; color: var(--dhg-soft); }
.wg-dhg-kind b { color: var(--dhg-ink); }

.wg-dhg-pay { border: 1px solid var(--dhg-line-2); background: var(--dhg-surface-2); border-radius: 12px; padding: 12px 14px; }
.wg-dhg-pay h3 { margin: 0 0 8px; font-size: .96rem; }
.wg-dhg-pay-row { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; }
.wg-dhg-pay-row span { color: var(--dhg-soft); font-size: .9rem; }
.wg-dhg-pay-row b { font-variant-numeric: tabular-nums; }
.wg-dhg-pay-ways { margin: 9px 0 5px; font-size: .68rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--dhg-accent-ink); }
.wg-dhg-pay-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.wg-dhg-pay-list li { display: flex; flex-direction: column; border-top: 1px dotted var(--dhg-line-2); padding-top: 7px; }
.wg-dhg-pay-list li b { font-size: .86rem; }
.wg-dhg-pay-list li code { font-family: var(--dhg-mono); font-size: .86rem; color: var(--dhg-ink); }

/* Interactive document mock */
.wg-dhg-docwrap { position: relative; }
.wg-dhg-doc { position: relative; background: var(--dhg-paper); color: #1a1a1a; border-radius: 10px; border: 1px solid rgba(0,0,0,.08); box-shadow: var(--dhg-shadow-lg); overflow: hidden; }
.wg-dhg-dochd { background: var(--dhg-blue); color: #fff; padding: 8px 10px; display: flex; justify-content: space-between; align-items: center; }
.wg-dhg-dochd b { font-size: 12.5px; letter-spacing: -.01em; }
.wg-dhg-dochd .kr { font-size: 10px; opacity: .85; }
.wg-dhg-docbody { display: grid; grid-template-columns: 1fr 1fr; font-size: 11px; line-height: 1.35; }
.wg-dhg-cell { padding: 8px 10px; border-top: 1px solid rgba(0,0,0,.08); }
.wg-dhg-cell.full { grid-column: 1 / -1; }
.wg-dhg-cell .lbl { color: #667; font-size: 9.5px; }
.wg-dhg-cell .val { font-family: var(--dhg-mono); font-size: 11px; color: #111; }
.wg-dhg-amount { grid-column: 1 / -1; background: #eef4ff; padding: 10px; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(0,0,0,.08); font-size: 11px; }
.wg-dhg-amount .big { font-family: var(--dhg-mono); font-weight: 700; font-size: 17px; color: var(--dhg-blue); }
.wg-dhg-accts { grid-column: 1 / -1; padding: 8px 10px; border-top: 1px solid rgba(0,0,0,.08); }
.wg-dhg-accts .lbl { color: #667; font-size: 9.5px; margin-bottom: 3px; }
.wg-dhg-accts .a { font-family: var(--dhg-mono); font-size: 10.5px; color: #222; display: flex; justify-content: space-between; }

.wg-dhg-pin { position: absolute; transform: translate(-50%,-50%); z-index: 3; width: 24px; height: 24px; border-radius: 999px; border: 2px solid #fff; background: var(--dhg-accent); color: #fff; font: 700 12px/1 system-ui, sans-serif; display: grid; place-items: center; cursor: pointer; padding: 0; box-shadow: 0 2px 7px rgba(0,0,0,.4); transition: transform .15s ease; }
.wg-dhg-pin:hover { transform: translate(-50%,-50%) scale(1.12); }
.wg-dhg-pin.on { animation: wg-dhg-ping .7s ease-out; }
@keyframes wg-dhg-ping { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--dhg-accent) 65%, transparent); } 100% { box-shadow: 0 0 0 13px transparent; } }

.wg-dhg-demonote { font-size: .8rem; color: var(--dhg-soft); text-align: center; margin: 12px 2px 0; }
.wg-dhg-lines { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.wg-dhg-line { position: relative; padding: 9px 12px 9px 34px; border-radius: 10px; background: var(--dhg-surface-2); border: 1px solid var(--dhg-line); cursor: pointer; transition: background .15s ease, border-color .15s ease; }
.wg-dhg-line .n { position: absolute; left: 9px; top: 9px; width: 19px; height: 19px; border-radius: 50%; background: var(--dhg-accent); color: #fff; font: 700 11px/1 system-ui, sans-serif; display: grid; place-items: center; }
.wg-dhg-line .orig { font-size: .78rem; color: var(--dhg-soft); }
.wg-dhg-line .exp { font-size: .9rem; }
.wg-dhg-line.on { background: var(--dhg-wash); border-color: var(--dhg-accent); animation: wg-dhg-flash .7s ease-out; }
@keyframes wg-dhg-flash { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--dhg-accent) 50%, transparent); } 100% { box-shadow: 0 0 0 12px transparent; } }

.wg-dhg-savebar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.wg-dhg-fakeinput { flex: 1 1 180px; border: 1px solid var(--dhg-line-2); border-radius: 9px; padding: 8px 10px; font-size: .85rem; color: var(--dhg-soft); background: var(--dhg-surface); }
.wg-dhg-lockline { margin-top: 10px; font-size: .78rem; color: var(--dhg-soft); display: flex; align-items: flex-start; gap: 6px; }

.wg-dhg-outro { margin-top: 32px; text-align: center; padding: 24px 16px; border-radius: 16px; background: var(--dhg-surface); border: 1px solid var(--dhg-line); box-shadow: var(--dhg-shadow); }
.wg-dhg-outro h2 { margin: 0 0 6px; font-size: 1.2rem; letter-spacing: -.02em; }
.wg-dhg-outro p { margin: 0 auto 4px; max-width: 32ch; color: var(--dhg-soft); font-size: .92rem; }
.wg-dhg-safe { margin-top: 20px; font-size: .76rem; color: var(--dhg-soft); text-align: center; line-height: 1.5; border-top: 1px solid var(--dhg-line); padding-top: 16px; }

@media (prefers-reduced-motion: reduce) {
  .wg-dhg-spin { animation-duration: 2.4s; }
  .wg-dhg-pin, .wg-dhg-line, .wg-dhg-cta { transition: none; }
  .wg-dhg-pin.on, .wg-dhg-line.on { animation: none; }
}