/* arXiv Trend Advisor – distinctive, premium editorial feel */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@500;600;700;800&family=Outfit:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0a0b0f;
  --bg-mesh: radial-gradient(ellipse 140% 90% at 50% -15%, rgba(46, 196, 182, 0.11), transparent 45%),
             radial-gradient(ellipse 90% 60% at 105% 50%, rgba(99, 102, 241, 0.08), transparent 45%),
             radial-gradient(ellipse 70% 80% at -10% 60%, rgba(46, 196, 182, 0.04), transparent 45%),
             #0a0b0f;
  --vignette: radial-gradient(ellipse 100% 100% at 50% 50%, transparent 40%, rgba(0, 0, 0, 0.25) 100%);
  --grid-dot: rgba(255, 255, 255, 0.045);
  --grid-line: rgba(255, 255, 255, 0.035);
  --surface: rgba(18, 20, 28, 0.85);
  --surface-elevated: rgba(28, 31, 42, 0.9);
  --border: rgba(255, 255, 255, 0.06);
  --border-focus: rgba(46, 196, 182, 0.5);
  --text: #f0f0f2;
  --text-muted: #8b8d98;
  --accent: #2ec4b6;
  --accent-soft: rgba(46, 196, 182, 0.2);
  --accent-glow: rgba(46, 196, 182, 0.35);
  --success: #34d399;
  --success-soft: rgba(52, 211, 153, 0.15);
  --amber: #fbbf24;
  --amber-soft: rgba(251, 191, 36, 0.15);
  --error: #f87171;
  --error-soft: rgba(248, 113, 113, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: "Syne", system-ui, sans-serif;
  --font-sans: "Outfit", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.04);
  --shadow-glow: 0 0 40px -8px var(--accent-glow);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  position: relative;
  overflow-x: hidden;
}

/* Layered background: grid + mesh + vignette */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    radial-gradient(circle at 1px 1px, var(--grid-dot) 1px, transparent 0);
  background-size: 64px 64px, 64px 64px, 24px 24px;
  background-position: 0 0, 0 0, 0 0;
  pointer-events: none;
  opacity: 0.85;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  background: var(--vignette), var(--bg-mesh);
  background-attachment: fixed;
  pointer-events: none;
}

.page {
  max-width: 560px;
  margin: 0 auto;
  padding-top: max(3rem, env(safe-area-inset-top, 0px));
  padding-right: max(1.5rem, env(safe-area-inset-right, 0px));
  padding-bottom: calc(6.25rem + env(safe-area-inset-bottom, 0px));
  padding-left: max(1.5rem, env(safe-area-inset-left, 0px));
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  width: 100%;
  min-width: 0;
}

.main {
  width: 100%;
  min-width: 0;
}

/* ----- Header ----- */
.header {
  margin-bottom: 1.1rem;
}

.title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  margin: 0 0 0.4em;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
  background: linear-gradient(135deg, #fff 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* ----- Form ----- */
.form {
  margin-bottom: 0.5rem;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
  line-height: 1.5;
}

.input-block-title {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
}

.compare-inputs {
  margin-top: 0.25rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
}

.compare-inputs.hidden {
  display: none;
}

.compare-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.15rem 0 0.65rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  cursor: pointer;
}

.compare-toggle input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.field {
  margin-bottom: 1.5rem;
}

.field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.field input,
.field textarea {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
  background: var(--surface-elevated);
}

.field textarea {
  resize: vertical;
  min-height: 128px;
}

.form-actions {
  display: grid;
  gap: 1rem;
}

.example-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.example-actions .btn-example {
  width: 100%;
  white-space: nowrap;
}

.btn {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #26a89a 100%);
  color: #0a0b0f;
  box-shadow: 0 2px 12px var(--accent-soft), 0 1px 0 rgba(255, 255, 255, 0.08) inset;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
  background: linear-gradient(135deg, #36d4c4 0%, var(--accent) 100%);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-example {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 0.875rem;
}

.btn-example:hover {
  border-color: var(--border-focus);
  background: var(--surface-elevated);
  color: var(--accent);
}

.status {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.status-below-note {
  margin: 0.25rem 0 0;
  min-height: 0;
}

/* ----- Results ----- */
.result {
  margin-top: 2rem;
}

.result.hidden {
  display: none;
}

.result-inner {
  padding: 0.25rem 0 1.5rem;
}

.result-heading {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  color: var(--text-muted);
}

.result-tabs {
  display: flex;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 0.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.result-tabs::-webkit-scrollbar {
  display: none;
}

.result-tab {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.55rem 0.7rem;
  min-height: 44px;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.result-tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.result-tab.is-active {
  color: #0a0b0f;
  background: linear-gradient(135deg, var(--accent) 0%, #26a89a 100%);
  border-color: rgba(255, 255, 255, 0.18);
}

.result-panel {
  display: block;
}

.result-panel[hidden] {
  display: none;
}

/* ----- Insights / Charts ----- */
.viz-section {
  margin-bottom: 1.75rem;
}

.viz-section-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.charts-row {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

/* Match desktop Trends layout on typical phones (two chart cards + full-width scatter). */
@media (min-width: 380px) {
  .charts-row {
    grid-template-columns: 1fr 1fr;
  }
}

.chart-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow-card);
  height: 200px;
}

.chart-wrap.chart-wrap-tall {
  height: 240px;
}

.chart-wrap.scatter-wrap {
  height: 220px;
}

.chart-wrap canvas {
  display: block;
  max-width: 100%;
}

/* Numbers at a glance – stat tiles */
.viz-numbers {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.viz-numbers-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.viz-stat-layout {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  grid-template-areas:
    "primary top"
    "primary domains"
    "summary summary";
  gap: 0.75rem;
}

.viz-stat-tile {
  min-height: 120px;
  padding: 0.8rem 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.viz-stat-tile:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.viz-stat-tile-primary {
  grid-area: primary;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.viz-stat-tile-top-growth { grid-area: top; }
.viz-stat-tile-domains { grid-area: domains; }

.viz-stat-tile-summary {
  grid-area: summary;
  min-height: auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.viz-stat-summary-item {
  min-width: 0;
}

.viz-stat-summary-item-right {
  text-align: right;
}

.viz-stat-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.viz-stat-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  display: block;
  line-height: 1.25;
  word-break: normal;
  overflow-wrap: anywhere;
}

.viz-stat-value.viz-stat-primary {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 0.98rem;
  line-height: 1.2;
  text-wrap: balance;
}

.viz-stat-primary-code {
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1;
  margin-top: 0.15rem;
}

.viz-stat-primary-name {
  display: block;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
  line-height: 1.2;
}

.viz-stat-primary-confidence {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.viz-stat-meta {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.viz-num-growth {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--success);
}

@media (max-width: 760px) {
  .viz-stat-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "primary"
      "top"
      "domains"
      "summary";
  }

  .viz-stat-tile-summary {
    flex-direction: column;
    gap: 0.8rem;
  }

  .viz-stat-summary-item-right {
    text-align: left;
  }
}

.scatter-wrap {
  grid-column: 1 / -1;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(255, 255, 255, 0.08);
}

/* Staggered fade-in for result blocks */
.result-inner .viz-section,
.result-inner .card {
  animation: fadeUp 0.5s ease backwards;
}

.result-inner .viz-section { animation-delay: 0.02s; }
.result-inner .viz-numbers { animation: fadeUp 0.5s ease 0.08s backwards; }
.result-inner .domain-card { animation-delay: 0.12s; }
.result-inner .growth-card { animation-delay: 0.19s; }
.result-inner .advisory-card { animation-delay: 0.24s; }
.result-inner .similar-card { animation-delay: 0.28s; }
.result-inner .compare-card { animation-delay: 0.32s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Domain card – hero + predicted + landscape */
.domain-card {
  padding: 1.5rem;
}

.domain-hero {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.domain-hero-ring-wrap {
  position: relative;
  flex-shrink: 0;
  width: 80px;
  height: 80px;
}

.domain-hero-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--conf, 0) * 360deg), var(--border) 0);
  animation: domainRingFade 0.6s ease backwards;
}

.domain-hero-ring::before {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: var(--surface);
}

.domain-hero-ring-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

@keyframes domainRingFade {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.domain-hero-text {
  min-width: 0;
}

.domain-card .domain-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin: 0 0 0.15em;
  line-height: 1.2;
}

.domain-hero-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.domain-predicted {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.domain-card .alternates-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 0.6rem;
  font-weight: 600;
}

.domain-predicted-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.domain-predicted-row {
  display: grid;
  grid-template-columns: 1fr minmax(50px, 70px) auto auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}

.domain-predicted-row:hover {
  background: rgba(255, 255, 255, 0.03);
}

.domain-predicted-row-primary {
  background: var(--accent-soft);
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
}

.domain-predicted-name {
  font-size: 0.9rem;
  color: var(--text);
  min-width: 0;
}

.domain-badge-primary {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-left: 0.35rem;
}

.domain-predicted-bar-wrap {
  min-width: 60px;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.domain-predicted-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--success));
  border-radius: 999px;
  transition: width 0.4s ease;
}

.domain-predicted-conf {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 3rem;
  text-align: right;
}

.growth-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  min-width: 2.5rem;
  text-align: center;
}

.growth-badge.growth-slope-up {
  color: var(--success);
  background: var(--success-soft);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.growth-badge.growth-slope-moderate {
  color: var(--amber);
  background: var(--amber-soft);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.growth-badge.growth-slope-muted {
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.domain-landscape {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.domain-landscape-toggle {
  display: block;
  width: 100%;
  padding: 0.5rem 0;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color 0.2s ease;
}

.domain-landscape-toggle:hover {
  color: #36d4c4;
}

.domain-landscape-list {
  margin-top: 0.5rem;
  max-height: 280px;
  overflow-y: auto;
}

.domain-landscape-list.hidden {
  display: none;
}

.domain-landscape-row {
  display: grid;
  grid-template-columns: 1fr 80px auto;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.domain-landscape-row-predicted {
  color: var(--text);
}

.domain-landscape-row:hover {
  color: var(--text);
}

.domain-landscape-name {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.domain-landscape-bar-wrap {
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
}

.domain-landscape-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.4s ease;
}

.domain-landscape-row:not(.domain-landscape-row-predicted) .domain-landscape-bar {
  background: var(--text-muted);
  opacity: 0.5;
}

.domain-landscape-conf {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  min-width: 2.5rem;
  text-align: right;
}

/* Growth card – trends list */
.growth-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-elevated) 100%);
}

.growth-card .growth-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--success);
  margin: 0;
  padding: 0.35rem 0.75rem;
  background: var(--success-soft);
  border-radius: 999px;
  border: 1px solid rgba(52, 211, 153, 0.25);
  align-self: center;
}

.growth-trends-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.growth-trend-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.growth-trend-row:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
}

.growth-trend-domain {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.growth-trend-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.growth-card .growth-score-wrap {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
  padding: 0.4rem 0.65rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.growth-card .growth-score-wrap.growth-slope-up .growth-score-value {
  color: var(--success);
}

.growth-card .growth-score-wrap.growth-slope-moderate .growth-score-value {
  color: var(--amber);
}

.growth-card .growth-score-wrap.growth-slope-muted .growth-score-value {
  color: var(--text-muted);
}

.growth-card .growth-score-value {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  display: block;
  margin-top: 0.15rem;
}

.growth-trend-slope-label,
.growth-trend-r2-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.growth-trend-r2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 120px;
}

.growth-trend-r2-bar-wrap {
  flex: 1;
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.growth-trend-r2-bar {
  height: 100%;
  background: var(--success);
  border-radius: 999px;
  transition: width 0.4s ease;
}

.growth-trend-r2-value {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 2.5rem;
}

.advisory-title {
  margin: 0 0 0.75rem;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  font-weight: 600;
}

.advisory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.advisory-item {
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
}

.advisory-label {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.advisory-value {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text);
}

.advisory-signal {
  text-transform: capitalize;
}

.advisory-subblock {
  margin-top: 0.95rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--border);
}

.advisory-subblock-first {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.advisory-subtitle {
  margin: 0 0 0.45rem;
  font-size: 0.76rem;
  color: var(--text);
}

.advisory-text {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  margin-right: 0.35rem;
  margin-bottom: 0.25rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.75rem;
}

.sample-title-list {
  margin: 0.6rem 0 0;
  padding-left: 1rem;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.sample-title-list li {
  margin-bottom: 0.35rem;
}

.narrative-section {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.narrative-section:first-of-type {
  padding-top: 0.25rem;
}

.narrative-section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.narrative-label {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent, #5eead4);
}

.narrative-body {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text);
}

.narrative-list {
  margin: 0.2rem 0 0;
  padding-left: 1.2rem;
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.65;
}

.narrative-list li {
  margin-bottom: 0.3rem;
}

.similar-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.similar-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
}

.similar-title {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.similar-title:hover {
  color: #36d4c4;
}

.similar-meta {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.overview-note {
  margin-top: 0.9rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.overview-breakdown {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
}

.overview-breakdown-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 0.65rem;
}

.breakdown-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.breakdown-tile {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-raised, rgba(255,255,255,0.03));
}

.breakdown-factor {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.breakdown-level {
  font-size: 0.92rem;
  font-weight: 700;
}

.breakdown-level-high  { color: #34d399; }
.breakdown-level-mid   { color: #fbbf24; }
.breakdown-level-low   { color: #f87171; }
.breakdown-level-muted { color: var(--text-muted); }

.breakdown-detail {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.overview-tips {
  margin-top: 0.9rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-raised, rgba(255,255,255,0.03));
}

.overview-tips-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.2rem;
}

.overview-tips-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0 0 0.55rem;
}

.overview-tips-list {
  margin: 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.overview-tips-list li {
  font-size: 0.86rem;
  color: var(--text);
  line-height: 1.45;
}

.compare-card.hidden {
  display: none;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.compare-side {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  background: rgba(255, 255, 255, 0.03);
}

.compare-side-title {
  margin: 0 0 0.6rem;
  color: var(--text);
  font-weight: 600;
}

.compare-side p {
  margin: 0 0 0.5rem;
}

.compare-side-value {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--font-mono);
  color: var(--accent);
}

.compare-verdict {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
  color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: 0.8rem;
}

/* New compare layout */
.compare-heading {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.compare-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.compare-card-new {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem 1.1rem;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.compare-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.compare-card-row {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.compare-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.compare-card-value {
  font-size: 1.35rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
}

.compare-verdict-new {
  margin: 1.1rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

/* ----- Error ----- */
.error {
  margin-top: 1rem;
  padding: 1.25rem;
  background: var(--error-soft);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: var(--radius);
  color: var(--error);
}

.error.hidden {
  display: none;
}

.error p {
  margin: 0;
}

/* ----- Footer ----- */
.footer {
  margin-top: auto;
  padding-top: 2.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.footer a:hover {
  color: #36d4c4;
  text-shadow: 0 0 20px var(--accent-soft);
}

.footer-compact {
  padding-top: 2rem;
}

.footer-caption {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.footer-links {
  margin: 0.35rem 0 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.82rem;
}

.footer-links span {
  color: var(--text-muted);
}

.footer-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  margin: 0;
  padding: 0.75rem max(1rem, env(safe-area-inset-right, 0px))
    max(0.75rem, env(safe-area-inset-bottom, 0px)) max(1rem, env(safe-area-inset-left, 0px));
  border-top: none;
  background: rgba(10, 11, 15, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-align: center;
  z-index: 30;
}

.footer-links-one-line {
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.footer-links-one-line::-webkit-scrollbar {
  display: none;
}

/* ----- Loading ----- */
.form-actions.is-loading .btn-primary {
  position: relative;
  color: transparent;
}

.form-actions.is-loading .btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid #0a0b0f;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ----- Privacy policy page ----- */
.policy-main {
  margin-top: 0.25rem;
}

.policy-card h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 1.35rem 0 0.55rem;
  color: var(--text);
}

.policy-card p {
  margin: 0 0 0.75rem;
}

.policy-card ul {
  margin: 0 0 0.85rem;
  padding-left: 1.2rem;
}

.policy-card li {
  margin-bottom: 0.35rem;
}

.policy-card code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.05rem 0.35rem;
}

/* ----- Developers page ----- */
.developers-page .header {
  margin-bottom: 0.9rem;
}

.developers-page .title {
  margin-bottom: 0.2em;
}

.developers-main {
  margin-top: 0.35rem;
}

.developers-section {
  display: grid;
  gap: 1.1rem;
}

.contributors-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.contributor-item {
  display: grid;
  grid-template-columns: 108px 1fr;
  align-items: center;
  gap: 1.2rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.contributor-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.contributor-headshot {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  object-fit: cover;
  align-self: center;
}

.contributor-content {
  min-width: 0;
}

.contributor-item h3 {
  margin: 0 0 0.2rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.25;
}

.contributor-role {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contributor-rail {
  margin-top: 0.9rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 0.5rem;
}

.contributor-link-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.88rem;
  line-height: 1.25;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  width: fit-content;
}

.contributor-link-row:hover {
  color: #36d4c4;
  text-shadow: 0 0 16px var(--accent-soft);
}

.contributor-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  color: var(--text);
}

.contributor-link-icon svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.developers-more {
  margin: 0.75rem 0 0;
  padding-top: 0;
  border-top: none;
  font-size: 0.86rem;
  color: var(--text-muted);
  text-align: center;
}

.developers-more a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.developers-more a:hover {
  color: #36d4c4;
}

@media (max-width: 560px) {
  .example-actions {
    grid-template-columns: 1fr;
  }

  .example-actions .btn-example {
    white-space: normal;
    text-align: center;
    line-height: 1.35;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
    min-height: 44px;
  }

  .contributor-item {
    grid-template-columns: 1fr;
  }

  .advisory-grid,
  .compare-grid,
  .compare-cards-grid {
    grid-template-columns: 1fr;
  }

  .contributor-headshot {
    margin: 0 auto;
  }
}

/* Narrow phones: keep grids inside the viewport; stack dense domain rows. */
@media (max-width: 400px) {
  .domain-predicted-row {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 0.5rem;
  }

  .domain-predicted-row .domain-predicted-bar-wrap {
    min-width: 0;
    width: 100%;
  }

  .domain-predicted-row .domain-predicted-conf {
    text-align: left;
  }

  .domain-predicted-row .growth-badge {
    justify-self: start;
  }

  .domain-landscape-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .domain-landscape-bar-wrap {
    max-width: 100%;
  }

  .domain-landscape-conf {
    text-align: left;
  }

  .breakdown-grid {
    grid-template-columns: 1fr;
  }

  .btn-primary {
    min-height: 48px;
    width: 100%;
  }
}

@media (max-width: 379px) {
  .charts-row {
    grid-template-columns: 1fr;
  }
}