:root {
  --bg: #090b0f;
  --bg-soft: #12161d;
  --panel: rgba(14, 18, 24, 0.78);
  --panel-strong: rgba(18, 22, 29, 0.92);
  --line: rgba(214, 193, 158, 0.16);
  --line-strong: rgba(214, 193, 158, 0.3);
  --ink: #f7f0e6;
  --muted: #b6ada2;
  --accent: #d6b179;
  --accent-soft: #8a6f4c;
  --red: #b96a57;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(214, 177, 121, 0.1), transparent 18%),
    radial-gradient(circle at bottom left, rgba(185, 106, 87, 0.12), transparent 20%),
    linear-gradient(180deg, #07090d 0%, #0b0e13 52%, #10141b 100%);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.noise,
.glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.noise {
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
}

.glow {
  filter: blur(68px);
  opacity: 0.55;
}

.glow-a {
  background: radial-gradient(circle at 80% 10%, rgba(214, 177, 121, 0.2), transparent 24%);
}

.glow-b {
  background: radial-gradient(circle at 12% 78%, rgba(185, 106, 87, 0.16), transparent 24%);
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1320px, calc(100% - 22px));
  margin: 0 auto;
  padding: 16px 0 36px;
}

.hero-panel,
.glass-card {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-panel {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(14, 18, 24, 0.98), rgba(23, 28, 36, 0.92)),
    var(--panel);
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto -48px -54px auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(214, 177, 121, 0.12);
}

.hero-copy h1,
.glass-card h2,
.results-top h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 0.9;
}

.hero-copy {
  max-width: 700px;
}

.lede {
  max-width: 42rem;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 12px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 700;
}

.eyebrow {
  color: var(--accent);
}

.panel-kicker {
  color: rgba(214, 177, 121, 0.82);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 12px;
  align-self: start;
}

.stat-card {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(214, 177, 121, 0.14);
  background: rgba(255, 255, 255, 0.03);
  min-width: 130px;
}

.stat-card strong {
  display: block;
  font-family: "Fraunces", serif;
  font-size: 1.8rem;
}

.stat-card span {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
}

.app-grid {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.side-panel,
.main-stage,
.results-grid,
.section-map,
.history-list,
.stack-list,
.briefing-notes {
  display: grid;
  gap: 18px;
}

.glass-card {
  border-radius: var(--radius-lg);
  padding: 22px;
}

.muted,
.empty-state,
.option-card span,
.stack-item p,
.snapshot-card p,
.note-card p,
.briefing-copy,
.history-item span {
  color: var(--muted);
}

.panel-head,
.quiz-head,
.results-top,
.quiz-actions {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.section-chip,
.history-item,
.snapshot-card,
.stack-item,
.idea-card,
.note-card,
.option-card,
.tag {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.section-chip {
  border-radius: 18px;
  padding: 14px 16px;
  display: grid;
  gap: 6px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.section-chip strong {
  font-size: 1rem;
}

.section-chip span {
  font-size: 0.92rem;
  color: var(--muted);
}

.section-chip.active {
  transform: translateX(6px);
  border-color: var(--line-strong);
  background: rgba(214, 177, 121, 0.07);
}

.quiz-shell,
.results-shell {
  display: grid;
  gap: 18px;
}

.progress-wrap {
  min-width: 220px;
  display: grid;
  gap: 10px;
}

.progress-wrap span {
  color: var(--muted);
  font-size: 0.95rem;
}

.progress-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.progress-bar span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #b96a57, #d6b179 52%, #f0d8ad);
  transition: width 240ms ease;
}

.quiz-form {
  display: grid;
  gap: 20px;
}

.question-field {
  min-height: 230px;
  display: grid;
  gap: 14px;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.option-card {
  padding: 18px;
  border-radius: 18px;
  text-align: left;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.option-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
}

.option-card:hover,
.option-card:focus-visible {
  outline: none;
  transform: translateY(-2px);
  border-color: rgba(214, 177, 121, 0.34);
}

.option-card.active {
  border-color: rgba(214, 177, 121, 0.48);
  background: rgba(214, 177, 121, 0.08);
}

.text-input,
.text-area {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  color: var(--ink);
  padding: 18px 20px;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.text-area {
  min-height: 190px;
  resize: vertical;
}

.text-input:focus,
.text-area:focus {
  border-color: rgba(214, 177, 121, 0.42);
  box-shadow: 0 0 0 4px rgba(214, 177, 121, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.helper-note {
  font-size: 0.92rem;
  color: var(--muted);
}

.action-group,
.results-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.primary-button,
.secondary-button,
.ghost-button {
  border-radius: 999px;
  border: 0;
  padding: 13px 18px;
  transition: transform 160ms ease, opacity 160ms ease;
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.ghost-button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.primary-button {
  background: linear-gradient(135deg, #d6b179, #a98757);
  color: #111317;
  font-weight: 700;
}

.secondary-button {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

.ghost-button {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}

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

.wide-card {
  grid-column: 1 / -1;
}

.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.snapshot-card,
.stack-item,
.note-card,
.history-item,
.idea-card {
  border-radius: 18px;
  padding: 18px;
}

.snapshot-card strong,
.stack-item strong,
.note-card strong,
.history-item strong,
.idea-card h3 {
  display: block;
  margin-bottom: 8px;
}

.idea-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.idea-card {
  position: relative;
  overflow: hidden;
}

.idea-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #b96a57, #d6b179);
}

.idea-card h3 {
  font-family: "Fraunces", serif;
  font-size: 1.24rem;
  margin-top: 10px;
}

.idea-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}

.idea-meta {
  color: var(--accent);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.briefing-copy {
  line-height: 1.7;
  margin: 0;
}

.tag-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--ink);
}

.tag.no-go {
  color: #ffd3c7;
  border-color: rgba(185, 106, 87, 0.36);
  background: rgba(185, 106, 87, 0.08);
}

.tag.good {
  color: #f5e0b9;
  border-color: rgba(214, 177, 121, 0.34);
  background: rgba(214, 177, 121, 0.08);
}

.history-item {
  width: 100%;
  text-align: left;
}

.history-item:hover,
.history-item:focus-visible {
  outline: none;
  border-color: rgba(214, 177, 121, 0.3);
}

.hidden {
  display: none !important;
}

.notice {
  border-radius: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(214, 177, 121, 0.28);
  background: rgba(214, 177, 121, 0.08);
}

.pulse-in {
  animation: pulse-in 320ms ease;
}

@keyframes pulse-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .app-grid {
    grid-template-columns: 1fr;
  }

  .side-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .hero-panel,
  .quiz-head,
  .results-top,
  .quiz-actions,
  .panel-head {
    display: grid;
  }

  .hero-stats,
  .progress-wrap,
  .snapshot-grid,
  .results-grid,
  .idea-grid,
  .option-grid,
  .side-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 14px, 1320px);
    padding-top: 8px;
  }

  .hero-panel,
  .glass-card {
    padding: 18px;
    border-radius: 22px;
  }

  .action-group,
  .results-actions {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button,
  .ghost-button {
    width: 100%;
  }
}