/* d-srt glassbox — frontend-design skill · 2026-07
   方向：墨紙編輯台（唔係 GitHub 複製）。單一青綠強調。禁紫漸變／pill 堆／玻璃擬態。 */
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Noto+Sans+TC:wght@400;500;700&family=Noto+Serif+TC:wght@600;700&display=swap");

:root {
  --bg: #12100e;
  --bg2: #1a1714;
  --bg3: #24201c;
  --ink: #f2ebe3;
  --ink2: #b7aea3;
  --ink3: #7d746a;
  --line: #3a342e;
  --accent: #2ec4a4;
  --accent-ink: #06241c;
  --ok: #7dba6a;
  --warn: #d4a017;
  --bad: #e07060;
  --serif: "Noto Serif TC", "Source Han Serif TC", "Songti TC", serif;
  --sans: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --mono: "IBM Plex Mono", "Cascadia Mono", Consolas, monospace;
  --radius: 4px;
  --pad: clamp(16px, 3vw, 28px);
  --max: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  /* 極淡紙紋，唔係裝飾漸變 */
  background-image:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(46, 196, 164, 0.06), transparent 50%),
    linear-gradient(180deg, #141210 0%, var(--bg) 40%);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ── topbar ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px var(--pad);
  background: rgba(18, 16, 14, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.brand {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: 0.02em;
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.brand .tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--ink3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2px 7px;
  margin-left: 8px;
  vertical-align: middle;
}
.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}
.topbar nav a {
  color: var(--ink2);
  font-size: 0.9rem;
  font-weight: 500;
}
.topbar nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
  text-decoration: none;
}

/* ── layout ── */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--pad);
  padding-bottom: 64px;
}

h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1.25;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.lede {
  color: var(--ink2);
  max-width: 40em;
  margin: 0 0 28px;
  font-size: 1.02rem;
}
.lede strong { color: var(--ink); font-weight: 600; }

/* ── buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 18px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.btn:hover { border-color: var(--ink3); text-decoration: none; }
.btn.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.btn.primary:hover { filter: brightness(1.06); }
.btn.primary:disabled {
  opacity: 0.45;
  cursor: wait;
  filter: none;
}

/* ── home：一構圖 ── */
.home {
  min-height: calc(100vh - 120px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 8vh;
  padding-bottom: 12vh;
}
.home h1 { max-width: 12em; }
.home .lede { margin-bottom: 36px; }
.home-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 28em;
}
.home-links li {
  display: grid;
  gap: 6px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.home-links li:last-child { border-bottom: 0; }
.home-hint {
  font-size: 0.85rem;
  color: var(--ink3);
  font-family: var(--mono);
}

/* ── forms ── */
.dial-form {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 640px;
}
.run-page .dial-form {
  max-width: none;
  margin-bottom: 12px;
}
.dial-form .row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.dial-form .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 160px;
}
.dial-form .field span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink3);
  font-family: var(--mono);
}
.dial-form textarea,
.dial-form select,
.dial-form input[type="password"],
.dial-form input[type="text"] {
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-family: var(--sans);
  font-size: 0.95rem;
}
.dial-form textarea {
  resize: vertical;
  min-height: 88px;
  line-height: 1.5;
}
.dial-form textarea:focus,
.dial-form select:focus,
.dial-form input:focus {
  border-color: var(--accent);
  outline: none;
}
.dial-form .check {
  font-size: 0.9rem;
  color: var(--ink2);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.dial-form .check input { margin-top: 3px; accent-color: var(--accent); }

.dial-status {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink2);
  margin: 16px 0 8px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

/* ── dial page extras ── */
.stats { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; }
.stat {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 16px;
  min-width: 100px;
}
.stat .k {
  font-size: 0.7rem;
  color: var(--ink3);
  font-family: var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.stat .v {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}
.boundary-note { color: var(--ink2); font-size: 0.9rem; }
.boundary-note.warn { color: var(--warn); }
.dial-json {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--ink2);
  max-height: 480px;
}
code {
  font-family: var(--mono);
  background: var(--bg3);
  padding: 1px 5px;
  border-radius: 2px;
  font-size: 0.85em;
}

/* ── timeline：主舞台 ── */
.run-page { container-type: inline-size; }

.timeline {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.timeline-step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0 16px;
  padding-bottom: 28px;
}
.timeline-step:last-child { padding-bottom: 0; }

.timeline-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.timeline-rail::after {
  content: "";
  flex: 1;
  width: 1px;
  background: var(--line);
  margin-top: 6px;
  min-height: 16px;
}
.timeline-step:last-child .timeline-rail::after { display: none; }

.status-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--ink3);
  background: var(--bg);
  flex-shrink: 0;
  margin-top: 8px;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.timeline-step.is-preview .status-dot { border-color: var(--accent); }
.timeline-step.is-pending .status-dot { border-color: var(--ink3); }
.timeline-step.is-active .status-dot {
  border-color: var(--accent);
  background: var(--accent);
  transform: scale(1.15);
}
.timeline-step.is-done .status-dot {
  border-color: var(--ok);
  background: var(--ok);
}
.timeline-step.is-error .status-dot {
  border-color: var(--bad);
  background: var(--bad);
}
.timeline-step.is-skipped .status-dot {
  border-color: var(--line);
  background: var(--bg3);
}

.timeline-body {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px 18px;
  min-width: 0;
}
.timeline-step.is-active .timeline-body {
  border-color: rgba(46, 196, 164, 0.45);
}
.timeline-step.is-error .timeline-body { border-color: rgba(224, 112, 96, 0.5); }

.step-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 8px;
}
.step-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
}
.step-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
  flex: 1;
  min-width: 8em;
}
.step-status {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 3px 8px;
}
.timeline-step.is-preview .step-status { color: var(--accent); border-color: rgba(46, 196, 164, 0.35); }
.timeline-step.is-active .step-status { color: var(--accent); }
.timeline-step.is-done .step-status { color: var(--ok); }
.timeline-step.is-error .step-status { color: var(--bad); }

.step-summary {
  margin: 0 0 6px;
  color: var(--ink2);
  font-size: 0.95rem;
}
.step-blurb {
  margin: 0 0 12px;
  color: var(--ink3);
  font-size: 0.88rem;
}
.step-empty-hint {
  margin: 0;
  color: var(--warn);
  font-size: 0.88rem;
}

.step-label {
  margin: 12px 0 4px;
  font-size: 0.7rem;
  color: var(--accent);
  font-family: var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.step-disclose {
  margin-top: 10px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}
.step-disclose summary {
  cursor: pointer;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 600;
  user-select: none;
  list-style: none;
}
.step-disclose summary::-webkit-details-marker { display: none; }
.step-disclose summary::before {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 5px solid var(--accent);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  margin-right: 8px;
  vertical-align: middle;
  transition: transform .15s ease;
}
.step-disclose[open] summary::before { transform: rotate(90deg); }

.step-pre {
  margin: 8px 0 0;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ink2);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: min(520px, 70vh);
}

/* admin */
.admin-msg { font-family: var(--mono); font-size: 0.8rem; color: var(--ink2); }
.admin-msg.warn, .admin-msg[data-err] { color: var(--bad); }
.hint { font-size: 0.85rem; color: var(--ink3); margin: 0 0 10px; }
.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px 12px;
}
.override-block { margin-top: 8px; }
.override-block h2,
.admin-panel h2 {
  font-family: var(--serif);
  font-size: 1.1rem;
  margin: 18px 0 8px;
}

@container (min-width: 720px) {
  .run-page .dial-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 18px;
  }
  .run-page .dial-form .field:first-child,
  .run-page .dial-form > .check,
  .run-page .dial-form > .btn {
    grid-column: 1 / -1;
  }
  .run-page .dial-form .row {
    grid-column: 1 / -1;
    display: contents;
  }
}

@media (max-width: 640px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .timeline-step { grid-template-columns: 24px 1fr; gap: 0 10px; }
}