/* SmartChair feature page — Submission · Review · Notification
   Everything is namespaced under .srp so it can sit inside either portal
   shell (Bootstrap 3 on smartchair.org, Seijaku on smartchair.jp). */

.srp {
  --sr-ink: #151820;
  --sr-soft: #5c6272;
  --sr-faint: #8b90a0;
  --sr-line: #e3e6ee;
  --sr-bg: #ffffff;
  --sr-tint: #f5f7fb;
  --sr-card: #ffffff;
  --sr-accent: #2b59d1;
  --sr-accent-soft: #e8eefc;
  --sr-ok: #10875f;
  --sr-ok-soft: #e3f4ec;
  --sr-warn: #c45f12;
  --sr-warn-soft: #fcefe3;
  --sr-bad: #c0392b;
  --sr-bad-soft: #fbe9e7;
  --sr-radius: 14px;
  --sr-shadow: 0 1px 2px rgba(20, 24, 40, .05), 0 8px 28px rgba(20, 24, 40, .07);
  --sr-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
             "Hiragino Kaku Gothic ProN", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC",
             "Noto Sans JP", sans-serif;
  --sr-display: var(--sr-font);
  --sr-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  background: var(--sr-bg);
  color: var(--sr-ink);
  font-family: var(--sr-font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-align: left;
}

/* Seijaku (smartchair.jp) — adopt the vermillion / washi palette and serif display */
.seijaku .srp {
  --sr-accent: #8a2a26;
  --sr-accent-soft: #f6ebe9;
  --sr-tint: #f3f1ec;
  --sr-line: #dcdad3;
  --sr-display: "Noto Serif JP", "Source Serif 4", serif;
}

.srp *, .srp *::before, .srp *::after { box-sizing: border-box; }
.srp h1, .srp h2, .srp h3, .srp h4, .srp p, .srp ul, .srp ol, .srp figure { margin: 0; padding: 0; }
.srp h1, .srp h2, .srp h3, .srp h4 {
  font-family: var(--sr-display);
  color: var(--sr-ink);
  text-transform: none;
  letter-spacing: normal;
  font-weight: 700;
  line-height: 1.25;
}
.seijaku .srp h1, .seijaku .srp h2, .seijaku .srp h3 { font-weight: 500; }
/* CJK headings: break at punctuation, not mid-word */
.srp h1, .srp h2 { word-break: keep-all; overflow-wrap: anywhere; text-wrap: balance; }
.srp ul { list-style: none; }
.srp p, .srp li { line-height: 1.7; }
.srp .sr-mock p, .srp .sr-mock li { line-height: 1.6; }
.srp a { color: var(--sr-accent); text-decoration: none; }
.srp a:hover { text-decoration: underline; }
.srp svg { display: block; }

.sr-wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ---------- buttons ---------- */
.srp .sr-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  font-size: 15px; font-weight: 600; line-height: 1.2;
  border: 1px solid transparent; transition: transform .15s ease, background .15s ease;
}
.srp .sr-btn:hover { text-decoration: none; transform: translateY(-1px); }
.srp .sr-btn-primary { background: var(--sr-accent); color: #fff; }
.srp .sr-btn-primary:hover { color: #fff; filter: brightness(1.08); }
.srp .sr-btn-ghost { border-color: var(--sr-line); color: var(--sr-ink); background: var(--sr-card); }
.srp .sr-btn-ghost:hover { color: var(--sr-accent); border-color: var(--sr-accent); }

/* ---------- hero ---------- */
.sr-hero {
  position: relative; overflow: hidden;
  padding: 72px 0 56px;
  background:
    radial-gradient(900px 420px at 85% -10%, var(--sr-accent-soft), transparent 70%),
    linear-gradient(180deg, var(--sr-tint), var(--sr-bg));
  border-bottom: 1px solid var(--sr-line);
}
.sr-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--sr-accent);
}
.sr-eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.srp .sr-hero h1 {
  margin-top: 18px; max-width: 820px;
  font-size: clamp(32px, 5vw, 54px); letter-spacing: -.02em; line-height: 1.12;
}
.sr-hero h1 .sr-hl { color: var(--sr-accent); }
/* CJK glyphs are wider and denser than Latin — scale the hero title down */
.srp.sr-l-zh .sr-hero h1, .srp.sr-l-ja .sr-hero h1 { font-size: clamp(26px, 3.6vw, 42px); letter-spacing: 0; line-height: 1.3; }
.sr-lede { margin-top: 24px; max-width: 680px; font-size: 18px; color: var(--sr-soft); }
.sr-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }

.sr-stats { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px 40px; }
.sr-stat b {
  display: block; font-family: var(--sr-display);
  font-size: 30px; font-weight: 700; color: var(--sr-ink); letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
}
.sr-stat span { font-size: 13px; color: var(--sr-faint); }

/* journey track */
.sr-journey {
  margin-top: 48px; padding: 26px 28px 22px;
  background: var(--sr-card); border: 1px solid var(--sr-line);
  border-radius: var(--sr-radius); box-shadow: var(--sr-shadow);
}
.sr-journey-cap { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--sr-faint); }
.sr-track { position: relative; margin-top: 18px; display: grid; grid-template-columns: repeat(5, 1fr); }
.sr-track::before {
  content: ""; position: absolute; left: 10%; right: 10%; top: 17px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--sr-line) 0 8px, transparent 8px 14px);
}
.sr-track::after {
  content: ""; position: absolute; left: 10%; top: 17px; height: 2px; width: 80%;
  background: var(--sr-accent); transform-origin: left; transform: scaleX(0);
  animation: sr-fill 6s ease-in-out infinite;
}
.sr-stop { position: relative; z-index: 1; text-align: center; padding: 0 4px; }
.sr-dot {
  width: 36px; height: 36px; margin: 0 auto; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--sr-card); border: 2px solid var(--sr-line);
  font-size: 13px; font-weight: 700; color: var(--sr-faint);
  animation: sr-light 6s ease-in-out infinite;
}
.sr-stop:nth-child(2) .sr-dot { animation-delay: 1.1s; }
.sr-stop:nth-child(3) .sr-dot { animation-delay: 2.2s; }
.sr-stop:nth-child(4) .sr-dot { animation-delay: 3.3s; }
.sr-stop:nth-child(5) .sr-dot { animation-delay: 4.4s; }
.sr-stop b { display: block; margin-top: 10px; font-size: 14px; font-weight: 600; }
.sr-stop small { display: block; font-size: 12px; color: var(--sr-faint); line-height: 1.45; }

@keyframes sr-fill { 0% { transform: scaleX(0); } 80%, 100% { transform: scaleX(1); } }
@keyframes sr-light {
  0%, 100% { background: var(--sr-card); border-color: var(--sr-line); color: var(--sr-faint); }
  8%, 60% { background: var(--sr-accent); border-color: var(--sr-accent); color: #fff; }
}

/* ---------- acts ---------- */
.sr-act { padding: 88px 0; border-bottom: 1px solid var(--sr-line); }
.sr-act.sr-alt { background: var(--sr-tint); }
.sr-act-head { display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: start; }
.sr-num {
  font-family: var(--sr-display); font-size: 64px; line-height: 1; font-weight: 700;
  color: transparent; -webkit-text-stroke: 1.5px var(--sr-accent);
}
.sr-kicker { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--sr-accent); }
.srp .sr-act h2 { margin-top: 6px; font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -.015em; }
.sr-act-intro { margin-top: 14px; max-width: 720px; color: var(--sr-soft); font-size: 17px; }

.sr-split { margin-top: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.sr-split.sr-flip > :first-child { order: 2; }
.sr-split > *, .sr-merge > *, .sr-act-head > * { min-width: 0; }

.sr-points li {
  position: relative; padding: 0 0 22px 40px;
}
.sr-points li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 24px; height: 24px; border-radius: 7px;
  background: var(--sr-accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232b59d1' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/16px no-repeat;
}
.seijaku .sr-points li::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a2a26' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E");
}
.sr-points b { display: block; font-size: 16px; font-weight: 600; color: var(--sr-ink); }
.sr-points span { display: block; margin-top: 2px; font-size: 15px; color: var(--sr-soft); }

.sr-sub { margin-top: 64px; }
.srp .sr-sub h3 { font-size: 22px; }
.sr-sub > p { margin-top: 8px; max-width: 720px; color: var(--sr-soft); }

/* ---------- mock windows ---------- */
.sr-mock {
  background: var(--sr-card); border: 1px solid var(--sr-line);
  border-radius: var(--sr-radius); box-shadow: var(--sr-shadow); overflow: hidden;
  font-size: 14px; line-height: 1.5;
}
.sr-mock-bar {
  display: flex; align-items: center; gap: 6px; padding: 10px 14px;
  border-bottom: 1px solid var(--sr-line); background: var(--sr-tint);
  font-size: 12px; color: var(--sr-faint);
}
.sr-mock-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--sr-line); display: inline-block; }
.sr-mock-bar em { margin-left: 8px; font-style: normal; }
.sr-mock-body { padding: 18px 20px; }
.sr-cap { margin-top: 10px; font-size: 12px; color: var(--sr-faint); text-align: right; }

.sr-tag {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 600; line-height: 1.6; white-space: nowrap;
  background: var(--sr-accent-soft); color: var(--sr-accent);
}
.sr-tag.ok { background: var(--sr-ok-soft); color: var(--sr-ok); }
.sr-tag.warn { background: var(--sr-warn-soft); color: var(--sr-warn); }
.sr-tag.bad { background: var(--sr-bad-soft); color: var(--sr-bad); }
.sr-tag.mute { background: var(--sr-tint); color: var(--sr-faint); }

/* submission mock */
.sr-paper-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.sr-paper-id { font-family: var(--sr-mono); font-size: 13px; color: var(--sr-faint); }
.sr-paper-title { margin-top: 8px; font-family: var(--sr-display); font-size: 18px; font-weight: 600; line-height: 1.35; }
.sr-paper-title .m { font-family: "Times New Roman", serif; font-style: italic; font-weight: 400; }
.sr-authors { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.sr-authors span { padding: 2px 10px; border-radius: 999px; border: 1px solid var(--sr-line); font-size: 12px; color: var(--sr-soft); }
.sr-files { margin-top: 16px; border-top: 1px solid var(--sr-line); }
.sr-file { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--sr-line); }
.sr-file-ic {
  width: 32px; height: 38px; flex: none; border-radius: 4px;
  display: grid; place-items: center; font-size: 10px; font-weight: 700; color: #fff; background: var(--sr-bad);
}
.sr-file-ic.zip { background: var(--sr-faint); }
.sr-file div { flex: 1; min-width: 0; }
.sr-file b { display: block; font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sr-file small { color: var(--sr-faint); font-size: 12px; }
.sr-deadlines { margin-top: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.sr-dl { padding: 10px; border-radius: 10px; background: var(--sr-tint); font-size: 12px; color: var(--sr-soft); }
.sr-dl b { display: block; font-size: 13px; color: var(--sr-ink); }
.sr-dl.done b::after { content: " ✓"; color: var(--sr-ok); }
.sr-dl.now { background: var(--sr-accent-soft); }
.sr-dl.now b { color: var(--sr-accent); }

/* bidding grid */
.sr-grid-tbl { width: 100%; border-collapse: separate; border-spacing: 4px; font-size: 12px; }
.sr-grid-tbl th { font-weight: 600; color: var(--sr-faint); text-align: center; padding: 2px; }
.sr-grid-tbl th:first-child { text-align: left; }
.sr-grid-tbl td { height: 30px; border-radius: 6px; text-align: center; font-weight: 600; }
.sr-grid-tbl td.n { background: transparent; text-align: left; color: var(--sr-ink); font-weight: 500; white-space: nowrap; }
.sr-grid-tbl td.e { background: var(--sr-ok); color: #fff; }
.sr-grid-tbl td.w { background: var(--sr-ok-soft); color: var(--sr-ok); }
.sr-grid-tbl td.x { background: var(--sr-tint); color: var(--sr-faint); }
.sr-grid-tbl td.c { background: var(--sr-bad-soft); color: var(--sr-bad); }
.sr-grid-tbl td.a { outline: 2px solid var(--sr-accent); outline-offset: -2px; }
.sr-legend { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12px; color: var(--sr-soft); }
.sr-legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* solver dashboard */
.sr-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.sr-kpi { padding: 12px; border-radius: 10px; background: var(--sr-tint); }
.sr-kpi b { display: block; font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--sr-ink); }
.sr-kpi span { font-size: 11px; color: var(--sr-soft); line-height: 1.35; display: block; }
.sr-kpi.ok b { color: var(--sr-ok); }
.sr-drafts { margin-top: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.sr-drafts .sr-spacer { flex: 1; }
.sr-chip-btn {
  padding: 6px 12px; border-radius: 8px; border: 1px solid var(--sr-line);
  font-size: 12px; font-weight: 600; color: var(--sr-ink); background: var(--sr-card);
}
.sr-chip-btn.on { border-color: var(--sr-accent); color: var(--sr-accent); background: var(--sr-accent-soft); }
.sr-chip-btn.go { border-color: var(--sr-accent); background: var(--sr-accent); color: #fff; }
.sr-loads { margin-top: 16px; }
.sr-load { display: grid; grid-template-columns: 92px 1fr 34px; align-items: center; gap: 10px; margin-top: 7px; font-size: 12px; color: var(--sr-soft); }
.sr-load-bar { height: 8px; border-radius: 99px; background: var(--sr-tint); overflow: hidden; }
.sr-load-bar i { display: block; height: 100%; border-radius: 99px; background: var(--sr-accent); }
.sr-load em { font-style: normal; text-align: right; font-variant-numeric: tabular-nums; color: var(--sr-ink); }

/* progress mock */
.sr-prog { margin-bottom: 12px; }
.sr-prog-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--sr-soft); margin-bottom: 5px; }
.sr-prog-head em { font-style: normal; color: var(--sr-ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.sr-prog-bar { display: flex; height: 10px; border-radius: 99px; overflow: hidden; background: var(--sr-line); }
.sr-prog-bar i { display: block; height: 100%; }
.sr-prog-bar i.d { background: var(--sr-ok); }
.sr-prog-bar i.p { background: var(--sr-warn); }
.sr-prog-bar i.n { background: var(--sr-line); }
.sr-tabs { margin: 16px 0 4px; display: flex; gap: 4px; border-bottom: 1px solid var(--sr-line); }
.sr-tabs span { padding: 6px 12px; font-size: 12px; font-weight: 600; color: var(--sr-faint); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.sr-tabs span.on { color: var(--sr-accent); border-bottom-color: var(--sr-accent); }
.sr-prog-tbl td { text-align: center; font-variant-numeric: tabular-nums; }
.sr-prog-tbl td:first-child { text-align: left; }
.sr-prog-tbl tr.h td { font-size: 11px; color: var(--sr-faint); font-weight: 600; padding-top: 6px; }
.sr-prog-tbl .sr-chip-btn { padding: 4px 10px; white-space: nowrap; }

/* feature tiles */
.sr-tiles { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.sr-tile {
  padding: 22px; border-radius: var(--sr-radius);
  background: var(--sr-card); border: 1px solid var(--sr-line);
}
.sr-tile-ic {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: var(--sr-accent-soft); color: var(--sr-accent);
}
.srp .sr-tile h4 { margin-top: 14px; font-size: 16px; font-weight: 600; }
.sr-tile p { margin-top: 6px; font-size: 14px; color: var(--sr-soft); line-height: 1.65; }

/* decision pills */
.sr-decisions { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.sr-decisions .sr-tag { font-size: 13px; padding: 5px 12px; }

/* mail merge */
.sr-merge { margin-top: 48px; display: grid; grid-template-columns: 1fr 56px 1fr; align-items: center; gap: 8px; }
.sr-letter { font-size: 14px; line-height: 1.7; }
.sr-letter .sr-subj { font-weight: 600; padding-bottom: 10px; margin-bottom: 10px; border-bottom: 1px dashed var(--sr-line); }
.sr-letter p + p { margin-top: 8px; }
.sr-tok {
  font-family: var(--sr-mono); font-size: 12px; padding: 1px 6px; border-radius: 5px;
  background: var(--sr-warn-soft); color: var(--sr-warn); white-space: nowrap;
}
.sr-fill { background: var(--sr-ok-soft); color: var(--sr-ok); padding: 0 4px; border-radius: 4px; font-weight: 600; }
.sr-quote {
  margin-top: 8px; padding: 8px 12px; border-left: 3px solid var(--sr-ok);
  background: var(--sr-tint); font-size: 13px; color: var(--sr-soft);
}
.sr-arrow { display: grid; place-items: center; color: var(--sr-accent); }
.sr-arrow small { display: block; margin-top: 4px; font-size: 11px; color: var(--sr-faint); text-align: center; }

/* sent log */
.sr-log { width: 100%; border-collapse: collapse; font-size: 13px; }
.sr-log td { padding: 9px 4px; border-bottom: 1px solid var(--sr-line); vertical-align: middle; }
.sr-log td:last-child { text-align: right; }
.sr-log tr:last-child td { border-bottom: 0; }
.sr-log .who { color: var(--sr-ink); font-weight: 500; }
.sr-log .what { color: var(--sr-faint); font-size: 12px; }
.sr-log-foot { margin-top: 12px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--sr-soft); }

/* ---------- extras & cta ---------- */
.sr-extras { padding: 80px 0; }
.srp .sr-extras h2 { font-size: clamp(24px, 3vw, 32px); }
.sr-extras .sr-tiles { grid-template-columns: repeat(4, 1fr); }

.sr-cta {
  padding: 80px 0; text-align: center;
  background: linear-gradient(135deg, var(--sr-accent), color-mix(in srgb, var(--sr-accent) 70%, #000));
  color: #fff;
}
.srp .sr-cta h2 { color: #fff; font-size: clamp(26px, 3.6vw, 40px); }
.sr-cta p { margin: 14px auto 0; max-width: 620px; color: rgba(255, 255, 255, .85); font-size: 17px; }
.sr-cta .sr-actions { justify-content: center; }
.srp .sr-cta h2 { text-align: center; }
.srp .sr-cta .sr-btn-primary { background: #fff; color: var(--sr-accent); }
.srp .sr-cta .sr-btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.srp .sr-cta .sr-btn-ghost:hover { border-color: #fff; color: #fff; }
.sr-note { margin-top: 26px; font-size: 13px; color: rgba(255, 255, 255, .7); }
.srp .sr-note a { color: #fff; text-decoration: underline; }

/* ---------- reveal on scroll ---------- */
.sr-js .sr-reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.sr-js .sr-reveal.sr-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .sr-track::after, .sr-dot { animation: none; }
  .sr-track::after { transform: scaleX(1); }
  .sr-js .sr-reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .sr-split, .sr-merge { grid-template-columns: 1fr; gap: 28px; }
  .sr-split.sr-flip > :first-child { order: 0; }
  .sr-arrow { transform: rotate(90deg); }
  .sr-arrow small { transform: rotate(-90deg); }
  .sr-tiles, .sr-extras .sr-tiles { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .sr-wrap { padding: 0 16px; }
  .sr-hero { padding: 48px 0 40px; }
  .sr-lede { font-size: 16px; }
  .sr-act { padding: 60px 0; }
  .sr-act-head { grid-template-columns: 1fr; gap: 6px; }
  .sr-num { font-size: 44px; }
  .sr-journey { padding: 20px 10px 16px; }
  .sr-stop b { font-size: 12px; }
  .sr-stop small { display: none; }
  .sr-dot { width: 30px; height: 30px; font-size: 12px; }
  .sr-track::before, .sr-track::after { top: 14px; }
  .sr-kpis { grid-template-columns: repeat(2, 1fr); }
  .sr-tiles, .sr-extras .sr-tiles { grid-template-columns: 1fr; }
  .sr-deadlines { grid-template-columns: 1fr; }
  .sr-mock-body { padding: 14px; }
  .sr-grid-tbl { font-size: 11px; border-spacing: 3px; }
}