:root {
  color-scheme: dark;
  --bg-0: #07131f;
  --bg-1: #0d1c2a;
  --bg-2: #14293d;
  --panel: rgba(10, 21, 33, 0.76);
  --panel-strong: rgba(12, 28, 43, 0.9);
  --panel-soft: rgba(18, 39, 58, 0.6);
  --line: rgba(154, 201, 224, 0.18);
  --line-strong: rgba(154, 201, 224, 0.32);
  --text-main: #eef6fb;
  --text-sub: rgba(226, 241, 248, 0.74);
  --accent: #6dc5ff;
  --accent-strong: #38a4ef;
  --success: #67d9a8;
  --warning: #f6d06f;
  --danger: #ff8a73;
  --shadow: 0 20px 56px rgba(0, 0, 0, 0.28);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1320px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "SF Pro Display", "SF Pro Text", "Inter", "PingFang SC", "Segoe UI", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(56, 164, 239, 0.22), transparent 28%),
    radial-gradient(circle at 85% 8%, rgba(65, 219, 191, 0.16), transparent 26%),
    linear-gradient(180deg, #06101a 0%, #0c1826 52%, #09131e 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(109, 197, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109, 197, 255, 0.06) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 92%);
  opacity: 0.28;
}

a {
  color: inherit;
}

.shell {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 20px auto 44px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: rgba(6, 15, 24, 0.72);
  border-radius: 22px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  position: sticky;
  top: 14px;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  text-decoration: none;
}

.brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  object-position: center;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.22);
  padding: 4px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.brand-copy strong {
  font-size: 1.04rem;
  letter-spacing: 0.02em;
}

.brand-copy span {
  color: var(--text-sub);
  font-size: 0.82rem;
}

.top-nav {
  display: flex;
  align-items: center;
  position: relative;
}

.nav-toggle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.nav-toggle:hover,
.nav-toggle:focus-visible,
.nav-link:hover,
.nav-link:focus-visible,
.nav-button:hover,
.nav-button:focus-visible,
.tools-menu a:hover,
.tools-menu a:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(109, 197, 255, 0.42);
  background: rgba(109, 197, 255, 0.16);
  outline: none;
}

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

.nav-toggle-lines span {
  display: block;
  width: 15px;
  height: 2px;
  border-radius: 999px;
  background: rgba(243, 248, 255, 0.92);
  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;
  top: calc(100% + 10px);
  right: 0;
  min-width: 272px;
  max-width: min(320px, calc(100vw - 32px));
  padding: 10px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(160deg, rgba(8, 18, 31, 0.95), rgba(14, 32, 52, 0.9));
  box-shadow: 0 24px 46px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  display: grid;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.nav-link,
.nav-button,
.tools-menu a {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  cursor: pointer;
  text-decoration: none;
  padding: 0 14px;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.nav-button::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.72;
  margin-left: 10px;
  flex: 0 0 auto;
}

.nav-link[aria-current="page"] {
  border-color: rgba(109, 197, 255, 0.36);
  background: rgba(109, 197, 255, 0.18);
}

.nav-tools {
  position: relative;
}

.tools-menu {
  position: absolute;
  top: 0;
  right: calc(100% + 10px);
  min-width: 196px;
  padding: 8px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(160deg, rgba(8, 18, 31, 0.96), rgba(14, 32, 52, 0.92));
  box-shadow: 0 22px 46px rgba(0, 0, 0, 0.34);
  display: grid;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  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: translateY(0);
}

.nav-tools.is-open .nav-button {
  border-color: rgba(109, 197, 255, 0.42);
  background: rgba(109, 197, 255, 0.16);
}

.nav-disabled {
  opacity: 0.78;
  cursor: not-allowed;
  color: rgba(243, 248, 255, 0.76);
}

.nav-disabled small {
  color: rgba(220, 233, 248, 0.52);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 18px;
  margin-top: 22px;
}

.hero-panel,
.panel,
.metric-card,
.assessment-card,
.chart-card,
.alert-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 22, 35, 0.84), rgba(10, 20, 31, 0.7));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-panel {
  padding: 26px 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(109, 197, 255, 0.2);
  background: rgba(109, 197, 255, 0.1);
  color: #c8ebff;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 18px 0 14px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  color: var(--text-sub);
  font-size: 1rem;
  line-height: 1.72;
  max-width: 58ch;
}

.hero-side {
  display: grid;
  gap: 18px;
}

.status-grid,
.mini-grid,
.metric-grid,
.assessment-grid,
.source-grid,
.timeline-grid {
  display: grid;
  gap: 14px;
}

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

.status-card,
.mini-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(12, 27, 41, 0.72);
}

.status-card strong,
.mini-card strong,
.label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.09em;
  color: var(--text-sub);
  text-transform: uppercase;
}

.status-card span,
.mini-card span {
  display: block;
  margin-top: 8px;
  font-size: 1.34rem;
  font-weight: 600;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 18px;
  margin-top: 18px;
}

.panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.panel-head h2,
.panel-head strong {
  margin: 0;
  font-size: 1rem;
}

.panel-head span {
  color: var(--text-sub);
  font-size: 0.82rem;
}

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

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

.field label {
  color: var(--text-sub);
  font-size: 0.88rem;
}

.field input,
.field select,
.field button,
.quick-buttons button,
.toolbar button {
  font: inherit;
}

.field input,
.field select {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(154, 201, 224, 0.18);
  border-radius: 14px;
  padding: 0 14px;
  color: var(--text-main);
  background: rgba(4, 12, 19, 0.7);
  outline: none;
}

.field input:focus,
.field select:focus {
  border-color: rgba(109, 197, 255, 0.52);
  box-shadow: 0 0 0 3px rgba(109, 197, 255, 0.14);
}

.hint {
  color: var(--text-sub);
  font-size: 0.8rem;
  line-height: 1.6;
}

.toolbar,
.quick-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.toolbar {
  margin-top: 16px;
}

.primary-button,
.secondary-button,
.chip-button {
  min-height: 46px;
  border-radius: 14px;
  padding: 0 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: 160ms ease;
}

.primary-button {
  background: linear-gradient(135deg, #45c2ff, #2c8be4);
  color: #06111d;
  font-weight: 700;
}

.primary-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(56, 164, 239, 0.18);
}

.secondary-button,
.chip-button {
  background: rgba(13, 28, 42, 0.84);
  border-color: var(--line);
  color: var(--text-main);
}

.secondary-button:hover,
.chip-button:hover,
.chip-button.is-active {
  border-color: var(--line-strong);
  background: rgba(109, 197, 255, 0.14);
}

.result-shell {
  display: grid;
  gap: 18px;
}

.metric-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card {
  padding: 18px;
}

.metric-card strong {
  display: block;
  color: var(--text-sub);
  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(--text-sub);
  font-size: 0.83rem;
  line-height: 1.5;
}

.summary-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(9, 21, 34, 0.92), rgba(12, 30, 45, 0.82));
}

.summary-card h2 {
  margin: 10px 0 8px;
  font-size: 1.42rem;
}

.summary-card p {
  margin: 0;
  color: var(--text-sub);
  line-height: 1.72;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(109, 197, 255, 0.24);
  background: rgba(109, 197, 255, 0.1);
  color: #ccecff;
  font-size: 0.82rem;
  font-weight: 600;
}

.badge.excellent {
  border-color: rgba(103, 217, 168, 0.34);
  background: rgba(103, 217, 168, 0.14);
  color: #c9ffe3;
}

.badge.good {
  border-color: rgba(109, 197, 255, 0.3);
}

.badge.usable,
.badge.watch {
  border-color: rgba(246, 208, 111, 0.34);
  background: rgba(246, 208, 111, 0.12);
  color: #ffe7a5;
}

.badge.hold,
.badge.poor {
  border-color: rgba(255, 138, 115, 0.34);
  background: rgba(255, 138, 115, 0.12);
  color: #ffd4cb;
}

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

.list-card,
.chart-card,
.alert-card,
.assessment-card {
  padding: 20px;
  border-radius: 22px;
}

.list-card ul,
.alert-list,
.assessment-grid {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list-card li,
.alert-item {
  padding: 12px 0;
  border-bottom: 1px solid rgba(154, 201, 224, 0.1);
  color: var(--text-sub);
  line-height: 1.65;
}

.list-card li:last-child,
.alert-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.list-card li:first-child,
.alert-item:first-child {
  padding-top: 0;
}

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

.assessment-card strong,
.chart-card strong,
.alert-card strong {
  display: block;
  font-size: 1rem;
}

.assessment-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 14px 0 10px;
}

.assessment-score {
  font-size: 2rem;
  font-weight: 700;
}

.assessment-note {
  color: var(--text-sub);
  line-height: 1.65;
}

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

.score-bar > span,
.timeline-bar > span {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #44d3ff, #59c0e8, #79e3ba);
}

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

.timeline-item {
  display: grid;
  grid-template-columns: 140px 1fr 68px;
  align-items: center;
  gap: 12px;
  color: var(--text-sub);
  font-size: 0.88rem;
}

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

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

.source-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(10, 23, 36, 0.68);
}

.source-card strong {
  display: block;
  font-size: 0.88rem;
}

.source-card span,
.source-card small {
  display: block;
  margin-top: 8px;
  color: var(--text-sub);
  line-height: 1.65;
}

.empty-state {
  padding: 24px;
  border-radius: 18px;
  border: 1px dashed rgba(154, 201, 224, 0.2);
  color: var(--text-sub);
  text-align: center;
  line-height: 1.7;
}

.footer-note {
  margin-top: 20px;
  color: var(--text-sub);
  text-align: center;
  font-size: 0.84rem;
}

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

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

@media (max-width: 760px) {
  .shell {
    width: min(var(--max-width), calc(100% - 20px));
    margin-top: 12px;
  }

  .site-header {
    position: static;
    padding: 16px;
  }

  .form-grid,
  .metric-grid,
  .assessment-grid,
  .source-grid,
  .status-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .panel,
  .summary-card,
  .list-card,
  .chart-card,
  .alert-card,
  .assessment-card {
    padding: 18px;
  }

  .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));
  }
}