/* ============================================================
   Aftermesh — /tools/* skin additions (DARK, loaded after site.css).
   Only calc-* classes live here; everything shared (buttons, pill,
   cta-section, header, footer) comes from site.css. No build step.
   ============================================================ */

/* ---------- Hero (shorter than the homepage hero) ---------- */
.calc-hero { padding: 64px 0 56px; }
.calc-hero h1 { max-width: 720px; }
.calc-hero .lead { max-width: 640px; }
.calc-privacy {
  display: inline-block;
  margin: 0; padding: 10px 16px;
  border-radius: 12px;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.28);
  color: var(--fg-soft);
  font-size: 14px; line-height: 1.6;
  max-width: 640px;
}
.calc-privacy strong { color: var(--success); }

/* ---------- Layout ---------- */
.calc-main { padding: 64px 0 40px; }
.calc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
@media (max-width: 900px) {
  .calc-grid { grid-template-columns: 1fr; }
}

.calc-card {
  background: var(--ink);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}
.calc-card-title {
  margin: 0 0 24px;
  font-size: 18px; font-weight: 700; letter-spacing: -0.01em;
}

/* ---------- Input fields (number box + slider pair) ---------- */
.calc-field { margin-bottom: 22px; }
.calc-field:last-of-type { margin-bottom: 10px; }
.calc-field-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; margin-bottom: 8px;
}
.calc-field-row label { font-size: 14px; color: var(--fg-soft); font-weight: 500; }
.calc-num {
  width: 110px; flex-shrink: 0;
  background: var(--ink-soft);
  border: 1px solid var(--ink-line-strong);
  border-radius: 9px;
  color: var(--fg);
  font: 600 15px 'Inter', sans-serif;
  padding: 8px 10px;
  text-align: right;
  -moz-appearance: textfield;
  appearance: textfield;
}
.calc-num:focus {
  outline: none;
  border-color: var(--electric);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}
/* 藏掉原生数字加减箭头 —— 滑块才是调节器，输入框只用来打字 */
.calc-num::-webkit-outer-spin-button, .calc-num::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.calc-field input[type="range"] {
  width: 100%; margin: 0;
  accent-color: var(--electric);
  cursor: pointer;
}
.calc-form-note { margin: 14px 0 0; font-size: 13px; color: var(--fg-muted); }

/* ---------- Result card ---------- */
.calc-result { position: sticky; top: 90px; }
@media (max-width: 900px) { .calc-result { position: static; } }

.calc-tier-label {
  font-size: 13px; font-weight: 600; color: var(--fg-muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.calc-tier {
  display: inline-block;
  font-size: 22px; font-weight: 800; letter-spacing: -0.01em;
  padding: 8px 18px; border-radius: 12px;
  margin-bottom: 20px;
  border: 1px solid var(--ink-line-strong);
  background: var(--ink-soft);
}
/* 风险档的四个前景色。深色时期是粉彩（#fda4af/#fdba74/#fde047/#86efac）——
   那是为近黑底调的，压在浅底上全部糊成一片。浅底要的是同色系的深号，
   四个都在 #f7f9fc 上过 4.5:1；底色与描边仍用同一色相的低透明度。 */
.calc-tier.tier-high     { color: #be123c; border-color: rgba(244, 63, 94, 0.45);  background: rgba(244, 63, 94, 0.10); }
.calc-tier.tier-elevated { color: #c2410c; border-color: rgba(249, 115, 22, 0.45); background: rgba(249, 115, 22, 0.10); }
.calc-tier.tier-moderate { color: #a16207; border-color: rgba(234, 179, 8, 0.40);  background: rgba(234, 179, 8, 0.12); }
.calc-tier.tier-low      { color: #047857; border-color: rgba(52, 211, 153, 0.40); background: rgba(52, 211, 153, 0.10); }

.calc-line { margin: 0 0 14px; font-size: 15px; color: var(--fg-soft); }
.calc-line strong { color: var(--fg); font-weight: 700; }

.calc-big-wrap { margin: 4px 0 18px; }
.calc-big {
  font-size: clamp(38px, 5vw, 54px);
  font-weight: 800; line-height: 1.05; letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.calc-big-cap { font-size: 13px; color: var(--fg-muted); margin-top: 4px; }

.calc-break {
  border-top: 1px solid var(--ink-line);
  margin-bottom: 18px;
}
.calc-break-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 9px 0;
  border-bottom: 1px solid var(--ink-line);
  font-size: 14px; color: var(--fg-muted);
}
.calc-break-row strong {
  color: var(--fg-soft); font-weight: 600;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}

.calc-recover {
  border: 1px solid rgba(52, 211, 153, 0.35);
  background: rgba(52, 211, 153, 0.07);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 22px;
}
.calc-recover .calc-line { margin: 0; }
.calc-recover strong { color: var(--success); font-size: 17px; }

.calc-cta-btn { width: 100%; }

.calc-footnote {
  margin: 14px 0 0; font-size: 12.5px; color: var(--fg-muted);
}
.calc-footnote a { margin-left: 6px; }

/* ---------- Assumptions ---------- */
.calc-assume-section { padding: 24px 0 8px; scroll-margin-top: 80px; }
details.calc-assume {
  max-width: 820px; margin: 0 auto;
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: 12px;
  overflow: hidden;
}
details.calc-assume[open] { border-color: var(--electric-dim); }
details.calc-assume summary {
  list-style: none; padding: 18px 24px; cursor: pointer;
  font-weight: 600; font-size: 16px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
details.calc-assume summary::-webkit-details-marker { display: none; }
details.calc-assume summary::after {
  content: "+"; font-size: 22px; color: var(--fg-muted);
  flex-shrink: 0; line-height: 1;
}
details.calc-assume[open] summary::after { content: "\2212"; color: var(--electric); }
.calc-assume-body { padding: 0 24px 20px; color: var(--fg-muted); font-size: 14.5px; }
.calc-assume-body p { margin: 0 0 12px; }
.calc-assume-body ul { margin: 0 0 12px; padding-left: 20px; }
.calc-assume-body li { margin-bottom: 10px; }
.calc-assume-body strong { color: var(--fg-soft); }

/* ---------- Closing CTA ---------- */
.calc-cta { padding: 56px 0 80px; }

/* ============== TITLE CHECKER ============== */
.ttl-livedays {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  background: rgba(255, 138, 76, .14);
  color: #c2410c;
}
.ttl-warn {
  margin: 14px 0 0;
  padding: 12px 16px;
  border-left: 3px solid #c2410c;
  border-radius: 6px;
  background: rgba(255, 138, 76, .08);
  font-size: .92rem;
  line-height: 1.6;
}
.ttl-textarea,
.ttl-select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(37, 99, 235,.28);
  border-radius: 8px;
  background: #fff;
  color: inherit;
  font: inherit;
  line-height: 1.5;
  resize: vertical;
  /* 让浏览器按浅色画原生 UI（<select> 弹出层、滚动条、光标）。
     2026-08 之前这里是 `dark` —— 那时页面是深色，UA 画的浅色弹出层配上我们
     继承下来的浅色文字，会白底白字。换成浅色皮肤后同一条理由指向相反的取值。 */
  color-scheme: light;
}
.ttl-textarea:focus,
.ttl-select:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
/* The popup list is painted by the OS/UA, not by the page box, so the rows
   need their own colours — `color: inherit` on the <select> does not reach
   them. Kept as a fallback for engines that ignore color-scheme. */
.ttl-select option {
  background-color: var(--ink-soft);
  color: var(--fg);
}
.ttl-select option:checked,
.ttl-select option:hover {
  background-color: var(--electric);
  color: #fff;
}
.ttl-bullets { margin: 14px 0; }
.ttl-bullets > summary { cursor: pointer; font-weight: 600; font-size: .92rem; }
.ttl-hint { margin: 8px 0; font-size: .84rem; opacity: .7; }
.ttl-turnstile { margin: 16px 0 12px; min-height: 65px; }
.ttl-btn { width: 100%; }
.ttl-btn:disabled { opacity: .55; cursor: not-allowed; }
.ttl-error { margin: 10px 0 0; color: #b91c1c; font-size: .9rem; }

.ttl-count-wrap { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.ttl-ring {
  flex: 0 0 auto;
  width: 58px; height: 58px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 3px solid rgba(37, 99, 235,.25);
  font-weight: 700; font-size: 1.05rem;
}
.ttl-ring.is-ok  { border-color: #047857; color: #047857; }
.ttl-ring.is-bad { border-color: #b91c1c; color: #b91c1c; }
.ttl-count { font-size: 1rem; font-weight: 600; opacity: .85; }
.ttl-count.is-ok  { color: #047857; }
.ttl-count.is-bad { color: #b91c1c; }

.ttl-diag { list-style: none; margin: 0 0 18px; padding: 0; }
.ttl-diag-row { padding: 7px 0; font-size: .9rem; line-height: 1.5; border-bottom: 1px solid rgba(37, 99, 235,.12); }
.ttl-diag-row:last-child { border-bottom: 0; }
.ttl-diag-row.is-bad { color: #b91c1c; }

.ttl-result { margin-top: 8px; padding-top: 18px; border-top: 1px solid rgba(37, 99, 235,.22); }
.ttl-result-h { margin: 0 0 14px; font-size: 1.05rem; }
.ttl-out { margin-bottom: 16px; }
.ttl-out-label { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-size: .82rem; opacity: .7; margin-bottom: 6px; }
.ttl-out-chars { font-variant-numeric: tabular-nums; }
.ttl-out-value {
  margin: 0 0 8px;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(37, 99, 235,.08);
  font-size: .95rem;
  line-height: 1.55;
  word-break: break-word;
}
.ttl-copy {
  padding: 5px 12px;
  border: 1px solid rgba(37, 99, 235,.35);
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font-size: .82rem;
  cursor: pointer;
}
.ttl-copy:hover { border-color: var(--primary); color: var(--primary); }
.ttl-changes-wrap { margin: 18px 0; }
.ttl-changes { margin: 0; padding-left: 20px; font-size: .88rem; line-height: 1.7; opacity: .85; }

.ttl-quota {
  margin: 0 0 12px;
  font-size: .82rem;
  opacity: .7;
  font-variant-numeric: tabular-nums;
}
.ttl-wall {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid rgba(37, 99, 235,.35);
  border-radius: 10px;
  background: rgba(37, 99, 235,.08);
}
.ttl-wall-h { margin: 0 0 6px; font-size: 1rem; }
.ttl-wall-p { margin: 0 0 12px; font-size: .88rem; opacity: .8; line-height: 1.6; }
.ttl-wall-btn { display: inline-block; }

.ttl-guide-link {
  max-width: 820px;
  margin: 14px auto 0;
  text-align: center;
  font-size: .9rem;
  color: var(--fg-muted);
}
.ttl-guide-link a { color: var(--electric); text-decoration: none; border-bottom: 1px solid rgba(37, 99, 235,.4); }
.ttl-guide-link a:hover { border-bottom-color: var(--electric); }

@media (max-width: 720px) {
  .ttl-count-wrap { gap: 10px; }
  .ttl-ring { width: 48px; height: 48px; font-size: .95rem; }
}