:root {
  color-scheme: dark;
  --bg-0: #06080b;
  --bg-1: #0f151d;
  --bg-2: #151e28;
  --panel-a: rgba(18, 21, 28, 0.82);
  --panel-b: rgba(11, 14, 20, 0.9);
  --line: rgba(255, 223, 177, 0.18);
  --line-strong: rgba(255, 223, 177, 0.36);
  --ink: #f5efe2;
  --muted: rgba(245, 239, 226, 0.7);
  --accent: #f0c68a;
  --accent-2: #e8894f;
  --danger: #ff8d74;
  --success: #95d7a6;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Avenir Next", "SF Pro Display", "PingFang SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px circle at 14% 0%, rgba(255, 197, 118, 0.12), transparent 40%),
    radial-gradient(840px circle at 100% 12%, rgba(117, 181, 255, 0.12), transparent 42%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 32%, var(--bg-2) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 20%),
    radial-gradient(circle at top, rgba(255, 232, 198, 0.08), transparent 44%);
}

a {
  color: inherit;
}

.site-shell {
  width: min(1240px, calc(100% - 28px));
  margin: 18px auto 40px;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(24, 24, 28, 0.88), rgba(10, 11, 15, 0.76));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.38);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  object-position: center;
  padding: 4px;
  display: block;
  border-radius: 14px;
  border: 1px solid rgba(255, 231, 188, 0.2);
  background: rgba(255, 245, 227, 0.06);
}

.brand-copy {
  display: flex;
  align-items: center;
  min-width: 0;
}

.brand-copy strong {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.top-nav {
  position: relative;
  margin-left: auto;
}

.nav-toggle {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 231, 188, 0.18);
  border-radius: 12px;
  background: rgba(255, 246, 229, 0.06);
  color: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle-lines {
  display: grid;
  gap: 4px;
}

.nav-toggle-lines span {
  width: 14px;
  height: 2px;
  border-radius: 999px;
  background: rgba(250, 239, 217, 0.95);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.top-nav.is-open .nav-toggle-lines span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.top-nav.is-open .nav-toggle-lines span:nth-child(2) {
  opacity: 0;
}

.top-nav.is-open .nav-toggle-lines span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.top-nav-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 280px;
  padding: 10px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(27, 23, 18, 0.95), rgba(11, 11, 14, 0.92));
  box-shadow: var(--shadow);
  display: grid;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.top-nav.is-open .top-nav-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-link,
.nav-button {
  display: inline-flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  border-radius: 12px;
  border: 1px solid rgba(255, 231, 188, 0.12);
  background: rgba(255, 245, 227, 0.05);
  padding: 9px 12px;
  color: inherit;
  text-decoration: none;
  font-size: 0.92rem;
}

.nav-link[aria-current="page"] {
  border-color: rgba(240, 198, 138, 0.42);
  background: rgba(240, 198, 138, 0.14);
  color: #f8e4bf;
}

.nav-tools {
  position: relative;
  z-index: 40;
}

.tools-menu {
  position: absolute;
  right: calc(100% + 10px);
  top: 0;
  min-width: 190px;
  padding: 8px;
  border-radius: 14px;
  border: 1px solid rgba(255, 231, 188, 0.12);
  background: linear-gradient(155deg, rgba(27, 23, 18, 0.96), rgba(11, 11, 14, 0.92));
  box-shadow: var(--shadow);
  display: grid;
  gap: 6px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-tools:hover .tools-menu,
.nav-tools:focus-within .tools-menu,
.nav-tools.is-open .tools-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.tools-menu a {
  display: block;
  border-radius: 10px;
  border: 1px solid rgba(255, 231, 188, 0.1);
  background: rgba(255, 245, 227, 0.04);
  padding: 8px 10px;
  color: inherit;
  text-decoration: none;
  font-size: 0.85rem;
}

.nav-disabled {
  color: rgba(245, 239, 226, 0.42);
}

.hero,
.panel,
.results {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-a), var(--panel-b));
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.hero {
  margin-top: 22px;
  padding: 28px 30px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(255, 214, 155, 0.1), transparent 32%),
    radial-gradient(circle at top right, rgba(255, 139, 79, 0.16), transparent 34%);
  pointer-events: none;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(240, 198, 138, 0.24);
  background: rgba(240, 198, 138, 0.12);
  color: #f7ddb2;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 16px 0 12px;
  font-size: clamp(2.2rem, 4.4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.hero p {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
  line-height: 1.75;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.85fr);
  gap: 18px;
  margin-top: 18px;
  align-items: start;
}

.panel,
.results {
  padding: 24px;
}

.panel h2,
.results h2 {
  margin: 0;
  font-size: 1.28rem;
  letter-spacing: -0.01em;
}

.panel-sub {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.72;
  font-size: 0.94rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  color: var(--muted);
  font-size: 0.85rem;
}

.field input,
.field select {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(255, 231, 188, 0.14);
  border-radius: 14px;
  background: rgba(255, 245, 227, 0.05);
  color: var(--ink);
  padding: 0 14px;
  font: inherit;
  outline: none;
}

.field input:focus,
.field select:focus {
  border-color: rgba(240, 198, 138, 0.38);
  box-shadow: 0 0 0 4px rgba(240, 198, 138, 0.08);
}

.field input::placeholder {
  color: rgba(245, 239, 226, 0.38);
}

.chip-row,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-row {
  margin-top: 16px;
}

.actions {
  margin-top: 18px;
}

.button,
.secondary-button,
.chip-button {
  min-height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(255, 231, 188, 0.14);
  padding: 0 16px;
  font: inherit;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.button {
  border-color: rgba(240, 198, 138, 0.32);
  background: linear-gradient(135deg, #f0c68a, #e8894f);
  color: #291d11;
  font-weight: 700;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(232, 137, 79, 0.22);
  outline: none;
}

.secondary-button,
.chip-button {
  background: rgba(255, 245, 227, 0.05);
  color: var(--ink);
}

.secondary-button:hover,
.secondary-button:focus-visible,
.chip-button:hover,
.chip-button:focus-visible,
.chip-button.is-active {
  border-color: var(--line-strong);
  background: rgba(240, 198, 138, 0.12);
  outline: none;
}

.summary-card,
.status-card,
.metric-card,
.result-card,
.source-card {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 21, 28, 0.82), rgba(11, 14, 20, 0.9));
  box-shadow: var(--shadow);
}

.summary-card {
  padding: 20px;
  margin-top: 18px;
}

.summary-card h3 {
  margin: 12px 0 8px;
  font-size: 1.46rem;
  line-height: 1.2;
}

.summary-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(240, 198, 138, 0.24);
  background: rgba(240, 198, 138, 0.1);
  color: #f7ddb2;
  font-size: 0.82rem;
  font-weight: 600;
}

.badge.excellent {
  border-color: rgba(149, 215, 166, 0.36);
  background: rgba(149, 215, 166, 0.12);
  color: #ccefd5;
}

.badge.good {
  border-color: rgba(240, 198, 138, 0.28);
  background: rgba(240, 198, 138, 0.1);
  color: #f7ddb2;
}

.badge.usable,
.badge.watch {
  border-color: rgba(255, 214, 155, 0.3);
  background: rgba(255, 214, 155, 0.12);
  color: #ffdfae;
}

.badge.hold,
.badge.poor {
  border-color: rgba(255, 141, 116, 0.36);
  background: rgba(255, 141, 116, 0.12);
  color: #ffd4cb;
}

.status-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.status-card {
  padding: 16px 18px;
}

.status-label {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.status-value {
  margin-top: 9px;
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.35;
}

.results {
  margin-top: 18px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.metric-card {
  padding: 18px;
}

.metric-card strong {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-card span {
  display: block;
  margin-top: 10px;
  font-size: 1.5rem;
  font-weight: 700;
}

.metric-card small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.result-card {
  padding: 20px;
}

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

.result-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.result-head strong {
  font-size: 1rem;
}

.result-head span {
  color: var(--muted);
  font-size: 0.82rem;
}

.result-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.result-list li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 223, 177, 0.1);
  color: var(--muted);
  line-height: 1.68;
}

.result-list li strong {
  color: var(--ink);
}

.result-list li:first-child {
  padding-top: 0;
}

.result-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.timeline-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 146px 1fr 110px;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.timeline-item strong {
  color: var(--ink);
  font-size: 0.9rem;
}

.timeline-bar {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.timeline-bar > span {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #f0c68a, #e8894f, #95d7a6);
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.source-card {
  padding: 16px 18px;
}

.source-card strong {
  display: block;
  font-size: 0.86rem;
}

.source-card span,
.source-card small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.62;
}

.empty-state {
  padding: 24px;
  border-radius: 18px;
  border: 1px dashed rgba(255, 223, 177, 0.18);
  color: var(--muted);
  text-align: center;
  line-height: 1.72;
}

button:disabled {
  opacity: 0.68;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

@media (max-width: 1100px) {
  .layout,
  .results-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .site-shell {
    width: min(1240px, calc(100% - 20px));
    margin: 12px auto 28px;
  }

  .site-header {
    position: static;
    padding: 14px;
  }

  .hero,
  .panel,
  .results,
  .summary-card,
  .status-card,
  .metric-card,
  .result-card,
  .source-card {
    border-radius: 20px;
  }

  .hero,
  .panel,
  .results {
    padding: 20px;
  }

  .field-grid,
  .status-stack,
  .metric-grid,
  .source-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .top-nav-menu {
    min-width: min(280px, calc(100vw - 24px));
    max-width: calc(100vw - 24px);
  }

  .tools-menu {
    right: 0;
    top: calc(100% + 8px);
    min-width: min(216px, calc(100vw - 52px));
    transform: translateY(8px);
  }

  .nav-tools:hover .tools-menu,
  .nav-tools:focus-within .tools-menu,
  .nav-tools.is-open .tools-menu {
    transform: translateY(0);
  }
}