:root {
  --bg: #07111f;
  --bg-soft: #0d1b2e;
  --panel: rgba(18, 34, 56, 0.82);
  --panel-strong: rgba(24, 45, 73, 0.94);
  --line: rgba(145, 180, 220, 0.22);
  --text: #eef6ff;
  --muted: #9fb3ca;
  --cyan: #35d4ff;
  --green: #4ee69b;
  --amber: #ffd166;
  --danger: #ff5f7a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Segoe UI", "Noto Sans TC", system-ui, sans-serif;
  background:
    radial-gradient(circle at 18% 12%, rgba(53, 212, 255, 0.18), transparent 32%),
    radial-gradient(circle at 85% 8%, rgba(78, 230, 155, 0.12), transparent 28%),
    linear-gradient(135deg, #050b14 0%, var(--bg) 44%, #0a1628 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(53, 212, 255, 0.42);
  border-radius: 8px;
  color: var(--cyan);
  background: rgba(53, 212, 255, 0.08);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a:hover {
  color: var(--text);
}

main {
  padding: 0 clamp(20px, 5vw, 64px) 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: center;
  min-height: 72vh;
  padding: 56px 0 36px;
}

.hero-content,
.hero-panel,
.feature-card,
.placeholder-panel,
.map-placeholder,
.dashboard-placeholder {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-content {
  padding: clamp(28px, 5vw, 56px);
  border-radius: 8px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(40px, 7vw, 78px);
  line-height: 1.05;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(26px, 3vw, 40px);
}

h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.hero-copy {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 700;
}

.button-primary {
  color: #02111c;
  background: var(--cyan);
  border-color: var(--cyan);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.04);
}

.hero-panel {
  padding: 22px;
  border-radius: 8px;
}

.status-row,
.status-grid div,
.metric {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.status-row {
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 14px;
}

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

.status-grid div {
  min-height: 94px;
  padding: 16px;
  border-radius: 8px;
  flex-direction: column;
  align-items: flex-start;
}

.status-row span,
.status-grid span,
.metric span {
  color: var(--muted);
  font-size: 13px;
}

.status-row strong,
.status-grid strong {
  color: var(--green);
}

.feature-section,
.placeholder-section {
  padding: 34px 0;
}

.section-heading {
  margin-bottom: 18px;
}

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

.feature-card {
  min-height: 190px;
  padding: 22px;
  border-radius: 8px;
}

.feature-card p,
.placeholder-panel p,
.map-placeholder p {
  color: var(--muted);
  line-height: 1.7;
}

.feature-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 8px;
  color: var(--cyan);
  border: 1px solid rgba(53, 212, 255, 0.34);
  background: rgba(53, 212, 255, 0.08);
  font-weight: 800;
}

.placeholder-panel,
.map-placeholder,
.dashboard-placeholder {
  min-height: 220px;
  padding: 24px;
  border-radius: 8px;
}

.map-placeholder {
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(53, 212, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 212, 255, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
}

.map-placeholder p {
  position: relative;
  z-index: 1;
}

.dashboard-placeholder {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  min-height: 120px;
  padding: 18px;
  border-radius: 8px;
  flex-direction: column;
  align-items: flex-start;
}

.metric strong {
  color: var(--amber);
  font-size: 30px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(20px, 5vw, 64px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-hero {
  padding: 48px 0 24px;
}

.page-hero p {
  max-width: 820px;
  color: var(--muted);
  line-height: 1.8;
}

.news-toolbar,
.news-summary,
.news-layout {
  margin: 18px 0;
}

.news-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(180px, 240px) auto auto auto;
  gap: 14px;
  align-items: end;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.field,
.check-field {
  display: flex;
  gap: 8px;
}

.field {
  flex-direction: column;
}

.check-field {
  align-items: center;
  min-height: 44px;
  color: var(--muted);
}

.field span {
  color: var(--muted);
  font-size: 13px;
}

.field input,
.field select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  padding: 0 12px;
  font: inherit;
}

.field input:focus,
.field select:focus {
  outline: 2px solid rgba(53, 212, 255, 0.34);
  border-color: rgba(53, 212, 255, 0.7);
}

.news-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 18px;
  align-items: start;
}

.news-list-panel,
.news-detail-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 20px;
}

.news-list-live {
  display: grid;
  gap: 12px;
}

.news-result-card {
  display: grid;
  gap: 8px;
  width: 100%;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  text-align: left;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.news-result-card:hover {
  border-color: rgba(53, 212, 255, 0.68);
  background: rgba(53, 212, 255, 0.08);
}

.news-result-card strong {
  line-height: 1.55;
}

.news-result-meta,
.news-result-location {
  color: var(--muted);
  font-size: 13px;
}

.detail-card {
  color: var(--muted);
  line-height: 1.7;
}

.detail-card h3 {
  color: var(--text);
  line-height: 1.5;
}

.detail-card dl {
  display: grid;
  gap: 12px;
  margin: 18px 0;
}

.detail-card dl div {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.detail-card dt {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.detail-card dd {
  margin: 0;
  color: var(--text);
  word-break: break-word;
}

.empty-state {
  margin: 0;
  color: var(--muted);
}

.flood-page-hero {
  padding-bottom: 18px;
}

.flood-workspace {
  display: grid;
  grid-template-columns: minmax(320px, 0.42fr) minmax(0, 0.58fr);
  gap: 18px;
  min-height: 680px;
  margin: 18px 0 34px;
}

.flood-side-panel,
.flood-map-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.flood-side-panel {
  display: flex;
  flex-direction: column;
  min-height: 680px;
  padding: 20px;
}

.flood-controls {
  display: grid;
  gap: 12px;
}

.flood-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.flood-summary .metric {
  min-height: 92px;
}

.flood-news-list {
  display: grid;
  gap: 10px;
  overflow: auto;
  padding-right: 4px;
}

.flood-news-card {
  display: grid;
  gap: 7px;
  width: 100%;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  text-align: left;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.flood-news-card:hover,
.flood-news-card.active {
  border-color: rgba(53, 212, 255, 0.72);
  background: rgba(53, 212, 255, 0.09);
}

.flood-news-card span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.flood-news-card strong {
  line-height: 1.5;
}

.flood-map-panel {
  position: relative;
  min-height: 680px;
  overflow: hidden;
}

.flood-map {
  width: 100%;
  height: 100%;
  min-height: 680px;
  background: #101820;
}

.flood-legend {
  position: absolute;
  right: 16px;
  bottom: 16px;
  z-index: 500;
  display: grid;
  gap: 7px;
  min-width: 150px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: #0b1622;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.22);
  font-size: 13px;
}

.flood-legend span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.flood-legend i {
  display: inline-block;
  width: 18px;
  height: 10px;
  border-radius: 999px;
}

.risk-low { background: #facc15; }
.risk-mid { background: #fb923c; }
.risk-high { background: #ef4444; }

.flood-news-marker {
  display: grid;
  place-items: center;
}

.flood-news-marker span {
  display: block;
  width: 18px;
  height: 18px;
  border: 2px solid #fff;
  border-radius: 999px;
  box-shadow: 0 0 0 4px rgba(3, 7, 18, 0.22), 0 10px 22px rgba(0, 0, 0, 0.28);
}

@media (max-width: 900px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .feature-grid,
  .dashboard-placeholder,
  .news-summary,
  .news-layout,
  .flood-workspace {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-toolbar {
    grid-template-columns: 1fr 1fr;
  }

  .news-layout {
    grid-template-columns: 1fr;
  }

  .flood-workspace {
    display: flex;
    flex-direction: column-reverse;
    min-height: auto;
  }

  .flood-side-panel,
  .flood-map-panel,
  .flood-map {
    min-height: 440px;
  }
}

@media (max-width: 560px) {
  .feature-grid,
  .dashboard-placeholder,
  .status-grid,
  .news-summary,
  .news-toolbar,
  .flood-summary {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding: 24px;
  }

  .flood-side-panel {
    min-height: auto;
  }

  .flood-map-panel,
  .flood-map {
    min-height: 380px;
  }

  .flood-legend {
    right: 10px;
    bottom: 10px;
  }
}