:root {
  --black: #050505;
  --near-black: #080807;
  --panel: rgba(13, 12, 11, 0.72);
  --panel-strong: rgba(16, 15, 14, 0.88);
  --panel-soft: rgba(244, 240, 232, 0.045);
  --line: rgba(244, 240, 232, 0.14);
  --line-mid: rgba(244, 240, 232, 0.22);
  --line-strong: rgba(244, 240, 232, 0.34);
  --text: rgba(244, 240, 232, 0.93);
  --muted: rgba(244, 240, 232, 0.64);
  --faint: rgba(244, 240, 232, 0.42);
  --ghost: rgba(244, 240, 232, 0.26);
  --accent: rgba(194, 121, 83, 0.88);
  --accent-soft: rgba(194, 121, 83, 0.12);
  --success: rgba(151, 195, 160, 0.82);
  --warning: rgba(218, 174, 95, 0.78);
  --shadow: 0 26px 90px rgba(0, 0, 0, 0.4);
  --mono: "SFMono-Regular", "Roboto Mono", "Cascadia Mono", Consolas, monospace;
  --sans: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 74% 12%, rgba(67, 35, 24, 0.22), transparent 34%),
    radial-gradient(circle at 10% 70%, rgba(244, 240, 232, 0.045), transparent 30%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.9), rgba(5, 5, 5, 0.98)),
    #050505;
  font-family: var(--sans);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  content: "";
  pointer-events: none;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(244, 240, 232, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 240, 232, 0.032) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, black 0, transparent 92%);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: 0;
  content: "";
  pointer-events: none;
  opacity: 0.2;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.04), transparent 18%, transparent 82%, rgba(255, 255, 255, 0.028)),
    repeating-linear-gradient(180deg, rgba(244, 240, 232, 0.018) 0, rgba(244, 240, 232, 0.018) 1px, transparent 1px, transparent 4px);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
}

.sim-shell {
  position: relative;
  z-index: 1;
  width: min(1360px, calc(100vw - 72px));
  margin: 0 auto;
  padding: 30px 0 82px;
}

.sim-shell::before {
  position: absolute;
  inset: 76px -24px auto;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(244, 240, 232, 0.2), transparent);
}

.topbar {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(320px, 1.2fr) minmax(180px, 0.8fr);
  gap: 18px;
  align-items: start;
  min-height: 58px;
  margin-bottom: clamp(74px, 11vh, 132px);
}

.topbar-path,
.topbar-title span,
.topbar-title strong,
.eyebrow,
.panel-heading span,
.section-title span,
.microcopy,
.progress-item span,
.progress-item em,
.reviewer-head span,
.version-box time,
.version-box em,
.report-meta span,
.public-notice span {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.topbar-path {
  padding-top: 9px;
  line-height: 1.6;
}

.topbar-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  align-items: center;
}

.topbar-links a,
.sample-tab,
.ghost-button,
.file-ui {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--muted);
  background:
    linear-gradient(180deg, rgba(244, 240, 232, 0.04), rgba(0, 0, 0, 0.14)),
    rgba(5, 5, 5, 0.46);
  padding: 10px 14px;
  font-size: 13px;
  cursor: pointer;
  transition:
    border-color 170ms ease,
    color 170ms ease,
    background 170ms ease,
    transform 170ms ease;
}

.topbar-links a:hover,
.sample-tab:hover,
.ghost-button:hover,
.file-ui:hover,
.topbar-links a:focus-visible,
.sample-tab:focus-visible,
.ghost-button:focus-visible,
.file-ui:focus-visible {
  border-color: var(--line-strong);
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(244, 240, 232, 0.062), rgba(58, 23, 21, 0.1)),
    rgba(5, 5, 5, 0.62);
  outline: none;
  transform: translateY(-1px);
}

.topbar-title {
  display: grid;
  gap: 6px;
  justify-items: end;
  text-align: right;
}

.topbar-title strong {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 420;
  letter-spacing: 0;
}

.workspace-header {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(340px, 0.84fr);
  gap: clamp(32px, 6vw, 86px);
  align-items: end;
  margin-bottom: clamp(54px, 8vh, 90px);
}

.workspace-header h1 {
  max-width: 1080px;
  margin: 18px 0 0;
  font-size: clamp(58px, 8.4vw, 126px);
  font-weight: 330;
  line-height: 0.98;
  letter-spacing: 0;
}

.workspace-header > p {
  max-width: 590px;
  margin: 0;
  border-left: 1px solid var(--line);
  color: var(--muted);
  padding-left: 24px;
  font-size: clamp(15px, 1.25vw, 18px);
  line-height: 1.95;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-tags span {
  border: 1px solid var(--line);
  color: rgba(244, 240, 232, 0.68);
  background: rgba(244, 240, 232, 0.035);
  padding: 8px 11px;
  font-size: 12px;
}

.workbench {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(340px, 0.92fr) minmax(460px, 1.08fr);
  gap: 28px;
  align-items: start;
}

.panel,
.public-notice {
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(244, 240, 232, 0.046), transparent 42%),
    linear-gradient(180deg, var(--panel-soft), rgba(0, 0, 0, 0.2)),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(15px);
}

.panel {
  min-width: 0;
  padding: 26px;
}

.input-panel {
  position: sticky;
  top: 24px;
}

.process-panel,
.output-panel {
  min-height: 760px;
}

.reviewer-panel {
  grid-column: 1 / -1;
  margin-top: 8px;
}

.panel-heading,
.section-title,
.reviewer-head,
.run-state,
.report-meta {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.panel-heading {
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.panel-heading h2,
.section-title h3 {
  margin: 0;
  color: var(--text);
  font-size: 24px;
  font-weight: 390;
  line-height: 1.18;
}

.sample-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 22px;
}

.sample-tab {
  min-height: 46px;
}

.sample-tab.is-active {
  border-color: rgba(194, 121, 83, 0.72);
  color: rgba(255, 226, 203, 0.94);
  background:
    linear-gradient(180deg, rgba(194, 121, 83, 0.12), rgba(0, 0, 0, 0.12)),
    rgba(5, 5, 5, 0.5);
}

label,
.mode-field {
  display: grid;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(244, 240, 232, 0.13);
  border-radius: 0;
  color: var(--text);
  background: rgba(0, 0, 0, 0.28);
  padding: 13px 14px;
  outline: none;
  transition:
    border-color 170ms ease,
    background 170ms ease,
    box-shadow 170ms ease;
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(244, 240, 232, 0.52) 50%),
    linear-gradient(135deg, rgba(244, 240, 232, 0.52) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 52%,
    calc(100% - 13px) 52%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

textarea {
  min-height: 380px;
  resize: vertical;
  line-height: 1.78;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(194, 121, 83, 0.72);
  background: rgba(0, 0, 0, 0.36);
  box-shadow: inset 0 0 0 1px rgba(194, 121, 83, 0.08);
}

.mode-field {
  grid-template-columns: 1fr auto;
  align-items: end;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.16);
  padding: 15px;
}

.mode-field legend {
  padding: 0 8px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.radio-row {
  display: flex;
  gap: 9px;
  align-items: center;
  margin: 0;
}

.radio-row input,
.task-box input {
  width: auto;
  accent-color: rgba(194, 121, 83, 0.92);
}

.file-ui {
  white-space: nowrap;
}

.task-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 14px;
  margin-top: 24px;
  border: 1px solid var(--line);
  background: rgba(244, 240, 232, 0.028);
  padding: 17px;
}

.task-box h3 {
  grid-column: 1 / -1;
  margin: 0 0 5px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  padding-bottom: 13px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
}

.task-box label {
  display: flex;
  gap: 9px;
  align-items: center;
  min-height: 32px;
  margin: 0;
}

.primary-button,
.ghost-button {
  min-height: 44px;
}

.primary-button {
  width: 100%;
  margin-top: 20px;
  border: 1px solid rgba(194, 121, 83, 0.72);
  color: rgba(255, 226, 203, 0.96);
  background:
    linear-gradient(90deg, rgba(194, 121, 83, 0.13), rgba(244, 240, 232, 0.035)),
    rgba(244, 240, 232, 0.03);
  cursor: pointer;
  transition:
    border-color 170ms ease,
    background 170ms ease,
    transform 170ms ease;
}

.primary-button:hover,
.primary-button:focus-visible {
  border-color: rgba(244, 240, 232, 0.4);
  background:
    linear-gradient(90deg, rgba(194, 121, 83, 0.18), rgba(244, 240, 232, 0.05)),
    rgba(244, 240, 232, 0.04);
  outline: none;
  transform: translateY(-1px);
}

.primary-button:disabled {
  cursor: progress;
  opacity: 0.72;
  transform: none;
}

.microcopy {
  min-height: 16px;
  margin: 12px 0 0;
  color: var(--faint);
  letter-spacing: 0;
}

.run-state {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(140px, 0.74fr);
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.22);
  padding: 17px;
}

.run-state div:first-child {
  display: grid;
  gap: 8px;
}

.run-state span {
  color: var(--faint);
  font-size: 12px;
}

.run-state strong {
  font-size: 28px;
  font-weight: 350;
  line-height: 1.15;
}

.progress-meter {
  height: 5px;
  overflow: hidden;
  border: 1px solid rgba(244, 240, 232, 0.12);
  background: rgba(244, 240, 232, 0.05);
}

.progress-meter span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(194, 121, 83, 0.78), rgba(244, 240, 232, 0.72));
  transition: width 220ms ease;
}

.progress-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 28px;
}

.progress-item {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 50px;
  border: 1px solid var(--line);
  background: rgba(244, 240, 232, 0.026);
  padding: 12px;
}

.progress-item strong {
  font-size: 14px;
  font-weight: 420;
}

.progress-item.is-active {
  border-color: rgba(218, 174, 95, 0.54);
  background: rgba(218, 174, 95, 0.055);
}

.progress-item.is-done {
  border-color: rgba(151, 195, 160, 0.38);
}

.progress-item.is-done em {
  color: var(--success);
}

.version-box {
  margin-top: 28px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.16);
  padding: 18px;
}

.version-box ol {
  display: grid;
  gap: 8px;
  margin: 15px 0 0;
  padding: 0;
  list-style: none;
}

.version-box li {
  display: grid;
  grid-template-columns: 138px 1fr auto;
  gap: 10px;
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 11px 0 0;
  font-size: 12px;
}

.output-heading {
  margin-bottom: 16px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 18px;
}

.report-stack {
  display: grid;
  gap: 16px;
}

.empty-state,
.report-section,
.report-meta {
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.22);
}

.empty-state {
  min-height: 280px;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 34px;
  color: var(--muted);
  line-height: 1.9;
  text-align: center;
}

.report-meta {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 17px;
}

.report-meta strong {
  font-size: 28px;
  font-weight: 350;
}

.report-meta p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.report-section {
  position: relative;
  overflow: hidden;
}

.report-section::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  content: "";
  background: rgba(194, 121, 83, 0.58);
}

.report-section h3 {
  margin: 0;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(194, 121, 83, 0.08), rgba(244, 240, 232, 0.018)),
    rgba(244, 240, 232, 0.03);
  padding: 16px 18px 16px 22px;
  color: var(--text);
  font-size: 18px;
  font-weight: 420;
}

.report-table {
  display: grid;
}

.report-row {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding: 17px 18px 17px 22px;
}

.report-row:last-child {
  border-bottom: 0;
}

.report-row span {
  color: var(--text);
  font-size: 13px;
  font-weight: 520;
}

.report-row p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.reviewer-intro {
  max-width: 760px;
  margin: -6px 0 26px;
}

.reviewer-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.reviewer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.reviewer-card {
  min-height: 220px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(244, 240, 232, 0.03), rgba(0, 0, 0, 0.08)),
    rgba(0, 0, 0, 0.2);
  padding: 17px;
  transition:
    transform 170ms ease,
    border-color 170ms ease,
    background 170ms ease;
}

.reviewer-card:hover {
  border-color: var(--line-strong);
  background: rgba(244, 240, 232, 0.04);
  transform: translateY(-2px);
}

.reviewer-head strong {
  min-width: 48px;
  border: 1px solid rgba(194, 121, 83, 0.46);
  color: rgba(255, 226, 203, 0.94);
  background: var(--accent-soft);
  padding: 5px 10px;
  text-align: center;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 400;
}

.reviewer-card p {
  min-height: 50px;
  margin: 15px 0 17px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.65;
}

.reviewer-card dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.reviewer-card div,
.reviewer-card dd {
  min-width: 0;
}

.reviewer-card dt {
  float: left;
  min-width: 42px;
  color: var(--faint);
  font-size: 12px;
}

.reviewer-card dd {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.62;
}

.public-notice {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  padding: 20px 22px;
}

.public-notice p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

@media (max-width: 1220px) {
  .workbench {
    grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  }

  .output-panel,
  .reviewer-panel {
    grid-column: 1 / -1;
  }

  .reviewer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .sim-shell {
    width: min(100% - 30px, 760px);
    padding: 24px 0 52px;
  }

  .topbar,
  .workspace-header,
  .workbench,
  .run-state,
  .report-meta {
    grid-template-columns: 1fr;
  }

  .topbar {
    gap: 16px;
    margin-bottom: 58px;
  }

  .topbar-links {
    justify-content: flex-start;
  }

  .topbar-title {
    justify-items: start;
    text-align: left;
  }

  .workspace-header {
    margin-bottom: 42px;
  }

  .workspace-header h1 {
    font-size: clamp(42px, 13vw, 76px);
  }

  .workspace-header > p {
    padding-left: 16px;
  }

  .input-panel {
    position: static;
  }

  .process-panel,
  .output-panel {
    min-height: auto;
  }

  .action-row {
    justify-content: flex-start;
  }

  .reviewer-grid,
  .task-box,
  .sample-switch {
    grid-template-columns: 1fr;
  }

  .version-box li,
  .report-row {
    grid-template-columns: 1fr;
  }

  .mode-field {
    grid-template-columns: 1fr;
  }

  textarea {
    min-height: 300px;
  }
}

@media (max-width: 560px) {
  .topbar-links a,
  .sample-tab,
  .ghost-button,
  .file-ui {
    width: 100%;
    text-align: center;
  }

  .topbar-links,
  .hero-tags,
  .action-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 20px;
  }
}