:root {
  color-scheme: light;
  --bg: #fafbfc;
  --bg-elevated: rgba(255, 255, 255, 0.72);
  --surface: #ffffff;
  --surface-2: #f3f6fa;
  --border: rgba(15, 23, 42, 0.08);
  --text: #111827;
  --muted: #64748b;
  --accent: #007aff;
  --accent-strong: #005ad4;
  --emerald: #34c759;
  --gold: #ff9500;
  --danger: #ff3b30;
  --chart-a: #007aff;
  --chart-b: #34c759;
  --chart-c: #5ac8fa;
  --chart-d: #ff9500;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 20px 48px rgba(15, 23, 42, 0.06);
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --bg: #050608;
  --bg-elevated: rgba(17, 18, 22, 0.84);
  --surface: #111215;
  --surface-2: #1a1c20;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f8fafc;
  --muted: #98a2b3;
  --accent: #0a84ff;
  --accent-strong: #5fb0ff;
  --emerald: #32d74b;
  --gold: #ff9f0a;
  --danger: #ff453a;
  --chart-a: #5fb0ff;
  --chart-b: #32d74b;
  --chart-c: #64d2ff;
  --chart-d: #ff9f0a;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.45), 0 24px 64px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 18%, rgba(0, 122, 255, 0.16), transparent 26%),
    radial-gradient(circle at 90% 15%, rgba(52, 199, 89, 0.14), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(255, 149, 0, 0.12), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: "Inter", "PingFang SC", "SF Pro Display", sans-serif;
  line-height: 1.5;
}

.ambient {
  position: fixed;
  inset: auto;
  width: 40vw;
  height: 40vw;
  border-radius: 999px;
  filter: blur(64px);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}

.ambient-a {
  top: -8vw;
  right: -8vw;
  background: rgba(0, 122, 255, 0.12);
}

.ambient-b {
  bottom: -14vw;
  left: -10vw;
  background: rgba(52, 199, 89, 0.1);
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1420px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 120px;
}

.topbar,
.hero,
.metric-grid,
.content-grid,
.lower-grid,
.focus-strip {
  margin-bottom: var(--space-4);
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.eyebrow,
.panel-kicker {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.brand-block h1,
.hero-copy h2,
.panel-head h3,
.modal-header h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

.brand-block h1 {
  font-size: clamp(28px, 4vw, 44px);
}

.muted-line,
.panel-subtitle,
.hero-desc,
.metric-sub,
.ai-meta,
.empty-state {
  color: var(--muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  padding: var(--space-4);
  display: grid;
  grid-template-columns: 1.2fr 0.55fr;
  gap: var(--space-4);
}

.hero-copy h2 {
  font-size: clamp(34px, 6vw, 60px);
  max-width: 12ch;
}

.hero-desc {
  max-width: 62ch;
  font-size: 15px;
  margin: 14px 0 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 18px;
  border: 1px solid var(--border);
}

.hero-badge.good {
  background: rgba(52, 199, 89, 0.12);
  color: var(--emerald);
}

.hero-badge.warn {
  background: rgba(255, 149, 0, 0.14);
  color: var(--gold);
}

.hero-badge.bad {
  background: rgba(255, 59, 48, 0.14);
  color: var(--danger);
}

.hero-badge.neutral {
  background: rgba(100, 116, 139, 0.12);
  color: var(--muted);
}

.hero-meta {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.hero-meta-card,
.focus-chip,
.summary-card,
.device-hero,
.ai-card,
.insight-item,
.history-item,
.modal-stat,
.signal-card,
.metric-card,
.device-mini {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.03));
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

body[data-theme="dark"] .hero-meta-card,
body[data-theme="dark"] .focus-chip,
body[data-theme="dark"] .summary-card,
body[data-theme="dark"] .device-hero,
body[data-theme="dark"] .ai-card,
body[data-theme="dark"] .insight-item,
body[data-theme="dark"] .history-item,
body[data-theme="dark"] .modal-stat,
body[data-theme="dark"] .signal-card,
body[data-theme="dark"] .metric-card,
body[data-theme="dark"] .device-mini {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  background-color: var(--surface);
}

.hero-meta-card {
  padding: 16px;
}

.mini-label,
.metric-label,
.signal-label,
.summary-label {
  font-size: 12px;
  color: var(--muted);
}

.mini-value,
.summary-value {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-top: 6px;
}

.signal-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
}

.signal-card {
  padding: 18px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.signal-card:hover,
.metric-card.clickable:hover,
.insight-item.clickable:hover,
.history-item:hover,
.table-clickable:hover {
  transform: translateY(-2px);
}

.signal-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 999px;
  background: rgba(100, 116, 139, 0.4);
}

.signal-card.good::before {
  background: var(--emerald);
}

.signal-card.warn::before {
  background: var(--gold);
}

.signal-card.bad::before {
  background: var(--danger);
}

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

.signal-mark {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  margin-bottom: 14px;
  box-shadow: 0 0 0 8px rgba(100, 116, 139, 0.08);
  background: rgba(100, 116, 139, 0.5);
}

.signal-card.good .signal-mark {
  background: var(--emerald);
  box-shadow: 0 0 0 8px rgba(52, 199, 89, 0.12);
}

.signal-card.warn .signal-mark {
  background: var(--gold);
  box-shadow: 0 0 0 8px rgba(255, 149, 0, 0.12);
}

.signal-card.bad .signal-mark {
  background: var(--danger);
  box-shadow: 0 0 0 8px rgba(255, 59, 48, 0.12);
}

.signal-status {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.signal-value,
.metric-value {
  font-family: "Space Grotesk", "Inter", sans-serif;
  letter-spacing: -0.05em;
}

.signal-value {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  margin: 14px 0 6px;
}

.signal-note {
  color: var(--muted);
  font-size: 13px;
}

.focus-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
}

.focus-chip {
  padding: 16px;
}

.focus-chip .focus-title {
  font-size: 12px;
  color: var(--muted);
}

.focus-chip .focus-value {
  margin-top: 8px;
  font-size: 17px;
  font-weight: 700;
}

.focus-chip .focus-sub {
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
}

.metric-card {
  padding: 18px;
  min-height: 148px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.metric-card.clickable {
  cursor: pointer;
}

.metric-card.clickable:hover {
  border-color: rgba(0, 122, 255, 0.22);
}

.metric-value {
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 700;
  margin-top: 16px;
}

.metric-sub {
  margin-top: 10px;
  font-size: 13px;
}

.content-grid,
.lower-grid {
  display: grid;
  gap: var(--space-4);
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.route-panel {
  padding: 22px;
  margin-top: var(--space-4);
}

.route-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.route-toolbar-side {
  display: grid;
  gap: 10px;
  justify-items: end;
}

.route-select {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 600;
  min-width: 0;
}

.route-mode-group {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}

.route-mode-button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.route-mode-button.active {
  color: white;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  border-color: transparent;
}

.route-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: var(--space-3);
  margin-top: 18px;
}

.route-map {
  min-height: 420px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(10, 132, 255, 0.18), transparent 28%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
}

.route-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.route-item {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.route-item:hover {
  transform: translateY(-2px);
}

.route-item.active {
  border-color: rgba(0, 122, 255, 0.28);
  background: rgba(0, 122, 255, 0.06);
}

.route-item-title {
  font-size: 15px;
  font-weight: 700;
}

.route-item-sub,
.route-item-meta {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

.content-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
}

.column-main,
.column-side {
  display: grid;
  gap: var(--space-4);
}

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

.chart-panel,
.ai-panel,
.insight-panel,
.table-panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.panel-head h3 {
  font-size: 24px;
}

.panel-subtitle {
  margin: 8px 0 0;
  font-size: 13px;
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
}

.tag-blue {
  color: var(--accent);
  background: rgba(0, 122, 255, 0.1);
}

.tag-emerald {
  color: var(--emerald);
  background: rgba(52, 199, 89, 0.1);
}

.tag-orange {
  color: var(--gold);
  background: rgba(255, 149, 0, 0.1);
}

.tag-gold {
  color: var(--gold);
  background: rgba(255, 149, 0, 0.1);
}

.chart-shell {
  position: relative;
  height: 320px;
}

.chart-shell.compact {
  height: 280px;
}

.modal-chart {
  height: 280px;
}

.ai-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  margin-bottom: 14px;
}

.ai-controls select,
.primary-button,
.ghost-button,
.range-group button {
  border-radius: var(--radius-md);
  padding: 11px 14px;
  font-size: 13px;
  font-weight: 600;
}

.ai-controls select {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  min-width: 0;
}

.primary-button,
.ghost-button,
.range-group button,
.modal-close {
  cursor: pointer;
}

.primary-button {
  border: none;
  color: white;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  box-shadow: 0 10px 30px rgba(0, 122, 255, 0.22);
}

.ghost-button {
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--surface);
}

.primary-button:disabled,
.ghost-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ai-card,
.empty-state {
  min-height: 164px;
}

.ai-card {
  padding: 18px;
}

.ai-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.ai-summary {
  margin: 10px 0 16px;
  line-height: 1.7;
}

.ai-section + .ai-section {
  margin-top: 16px;
}

.ai-section .label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.ai-section ul {
  margin: 0;
  padding-left: 18px;
}

.history-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.history-item {
  padding: 14px;
  cursor: pointer;
}

.history-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.history-title {
  font-weight: 700;
}

.history-meta,
.history-summary {
  color: var(--muted);
  font-size: 12px;
}

.insight-list,
.device-stack {
  display: grid;
  gap: 12px;
}

.insight-item,
.device-hero,
.device-mini {
  padding: 16px;
}

.insight-item.clickable {
  cursor: pointer;
}

.insight-level {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  background: rgba(100, 116, 139, 0.12);
  color: var(--muted);
}

.insight-item.good .insight-level {
  background: rgba(52, 199, 89, 0.12);
  color: var(--emerald);
}

.insight-item.notice .insight-level {
  background: rgba(0, 122, 255, 0.12);
  color: var(--accent);
}

.insight-item.warn .insight-level {
  background: rgba(255, 149, 0, 0.12);
  color: var(--gold);
}

.insight-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.insight-detail {
  font-size: 13px;
  color: var(--muted);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.summary-card {
  padding: 16px;
}

.summary-note,
.device-note {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

.device-hero-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.device-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.device-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 12px 0;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 14px;
}

.data-table th {
  color: var(--muted);
  font-weight: 600;
}

.table-clickable {
  cursor: pointer;
}

.top-gap {
  margin-top: 18px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 13px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--emerald);
  box-shadow: 0 0 0 6px rgba(52, 199, 89, 0.14);
}

.status-dot.warn {
  background: var(--gold);
  box-shadow: 0 0 0 6px rgba(255, 149, 0, 0.14);
}

.status-dot.bad {
  background: var(--danger);
  box-shadow: 0 0 0 6px rgba(255, 59, 48, 0.14);
}

.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.mobile-nav {
  display: none;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  background: rgba(6, 10, 18, 0.36);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  width: min(920px, calc(100vw - 24px));
  max-height: min(86vh, 920px);
  overflow-y: auto;
  padding: 24px;
  border-radius: 28px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  transform: translateY(18px);
  transition: transform 0.2s ease;
}

.modal-overlay.open .modal-box {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.modal-close {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 34px;
  line-height: 1;
  padding: 0;
}

.modal-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.range-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.range-group button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
}

.range-group button.active {
  color: white;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  border-color: transparent;
}

.date-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.modal-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.modal-stat {
  padding: 14px;
}

.modal-stat .label {
  font-size: 12px;
  color: var(--muted);
}

.modal-stat .val {
  margin-top: 8px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.skeleton-card,
.is-loading [data-skeleton] {
  position: relative;
  overflow: hidden;
  color: transparent !important;
}

.skeleton-card::after,
.is-loading [data-skeleton]::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  animation: shimmer 1.4s infinite;
}

body[data-theme="dark"] .skeleton-card::after,
body[data-theme="dark"].is-loading [data-skeleton]::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

@media (max-width: 1024px) {
  .hero,
  .content-grid,
  .lower-grid,
  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .route-toolbar,
  .route-layout {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  .app-shell {
    width: min(100vw - 20px, 100%);
    padding: 20px 0 160px;
  }

  .topbar {
    flex-direction: column;
  }

  .topbar-actions,
  .ai-controls,
  .device-meta-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .signal-grid,
  .focus-strip,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .hero,
  .chart-panel,
  .ai-panel,
  .insight-panel,
  .table-panel,
  .modal-box {
    padding: 18px;
  }

  .chart-shell,
  .chart-shell.compact {
    height: 260px;
  }

  .data-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .data-table th,
  .data-table td {
    white-space: nowrap;
    padding: 12px 8px;
  }

  .mobile-nav {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 20;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
    padding: 10px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.84);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
  }

  body[data-theme="dark"] .mobile-nav {
    background: rgba(17, 18, 22, 0.84);
  }

  .mobile-nav a {
    text-decoration: none;
    text-align: center;
    font-size: 12px;
    color: var(--text);
    padding: 10px 0;
    border-radius: 12px;
  }

  .mobile-nav a:active {
    background: rgba(0, 122, 255, 0.12);
  }
}

@media (max-width: 480px) {
  .brand-block h1 {
    font-size: 28px;
  }

  .hero-copy h2 {
    font-size: 34px;
  }

  .metric-value {
    font-size: 28px;
  }

  .signal-value {
    font-size: 24px;
  }
}