:root {
  color-scheme: light dark;

  --bg: #f5f7fb;
  --bg-soft: #ffffff;
  --text: #111827;
  --muted: #5f6877;
  --line: rgba(17, 24, 39, 0.12);
  --card: rgba(255, 255, 255, 0.72);
  --card-strong: rgba(255, 255, 255, 0.88);
  --shadow: 0 24px 80px rgba(16, 24, 40, 0.14);
  --accent: #2563eb;
  --accent-2: #0ea5e9;
  --accent-text: #ffffff;
  --danger: #b42318;
  --success: #047857;
  --focus: 0 0 0 4px rgba(37, 99, 235, 0.24);
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #080b12;
    --bg-soft: #0d1320;
    --text: #f5f7fb;
    --muted: #aab4c2;
    --line: rgba(255, 255, 255, 0.13);
    --card: rgba(16, 24, 40, 0.66);
    --card-strong: rgba(16, 24, 40, 0.84);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
    --accent: #60a5fa;
    --accent-2: #22d3ee;
    --accent-text: #06101f;
    --danger: #fca5a5;
    --success: #86efac;
    --focus: 0 0 0 4px rgba(96, 165, 250, 0.26);
  }
}

html[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-soft: #ffffff;
  --text: #111827;
  --muted: #5f6877;
  --line: rgba(17, 24, 39, 0.12);
  --card: rgba(255, 255, 255, 0.72);
  --card-strong: rgba(255, 255, 255, 0.88);
  --shadow: 0 24px 80px rgba(16, 24, 40, 0.14);
  --accent: #2563eb;
  --accent-2: #0ea5e9;
  --accent-text: #ffffff;
}

html[data-theme="dark"] {
  --bg: #080b12;
  --bg-soft: #0d1320;
  --text: #f5f7fb;
  --muted: #aab4c2;
  --line: rgba(255, 255, 255, 0.13);
  --card: rgba(16, 24, 40, 0.66);
  --card-strong: rgba(16, 24, 40, 0.84);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --accent: #60a5fa;
  --accent-2: #22d3ee;
  --accent-text: #06101f;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(14, 165, 233, 0.28), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(37, 99, 235, 0.20), transparent 34rem),
    linear-gradient(135deg, var(--bg), var(--bg-soft));
}

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

button,
input,
select {
  font: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 0 24px;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  color: var(--accent);
}

.brand-text {
  font-weight: 720;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.top-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  backdrop-filter: blur(18px);
}

.lang-btn,
.theme-btn {
  border: 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.lang-btn {
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
}

.lang-btn[aria-pressed="true"] {
  color: var(--accent-text);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.theme-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  backdrop-filter: blur(18px);
}

.lang-btn:focus-visible,
.theme-btn:focus-visible,
.primary-btn:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.login-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 28px;
  padding: 48px 0 32px;
}

.glass-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
}

.hero-card {
  padding: clamp(28px, 5vw, 58px);
  overflow: hidden;
  position: relative;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -34% 28%;
  height: 260px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.24), rgba(14, 165, 233, 0.20));
  filter: blur(8px);
  transform: rotate(-8deg);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(25px, 5vw, 60px);
  line-height: 0.96;
  letter-spacing: 0.025em;
}

.hero-copy {
  max-width: 560px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.55;
}

.status-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  margin-top: 38px;
}

.status-item {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.08);
}

.status-dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--success) 18%, transparent);
}

.status-item strong {
  display: block;
  margin-bottom: 4px;
}

.status-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.login-card {
  padding: clamp(24px, 4vw, 36px);
  background: var(--card-strong);
}

.login-header h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.login-header p:not(.eyebrow) {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

form {
  margin-top: 28px;
}

.field-group {
  margin-bottom: 18px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 680;
}

input,
select {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0 14px;
  color: var(--text);
  background: color-mix(in srgb, var(--bg-soft) 82%, transparent);
}

select {
  cursor: pointer;
}

input::placeholder {
  color: color-mix(in srgb, var(--muted) 72%, transparent);
}

.field-hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.primary-btn {
  width: 100%;
  min-height: 52px;
  margin-top: 6px;
  border: 0;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--accent-text);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 760;
  cursor: pointer;
  box-shadow: 0 16px 34px color-mix(in srgb, var(--accent) 26%, transparent);
}

.primary-btn:hover {
  transform: translateY(-1px);
}

.primary-btn:active {
  transform: translateY(0);
}

.form-message {
  min-height: 24px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.form-message.error {
  color: var(--danger);
}

.form-message.success {
  color: var(--success);
}

.divider {
  height: 1px;
  margin: 26px 0 18px;
  background: var(--line);
}

.secondary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  color: var(--muted);
  font-size: 14px;
}

.secondary-actions a:hover {
  color: var(--accent);
}

.security-note {
  margin: 22px 0 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
  font-size: 13px;
  line-height: 1.5;
}

.footer {
  padding: 16px 0 4px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 860px) {
  .page-shell {
    width: min(100% - 24px, 620px);
  }

  .topbar {
    align-items: flex-start;
  }

  .brand-text {
    max-width: 46vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .top-actions {
    align-items: flex-end;
    flex-direction: column-reverse;
  }

  .login-layout {
    grid-template-columns: 1fr;
    padding-top: 26px;
  }

  .hero-card {
    padding: 28px;
  }

  .status-grid {
    margin-top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }

  .primary-btn:hover,
  .primary-btn:active {
    transform: none;
  }
}

.main-nav {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  backdrop-filter: blur(18px);
}

.main-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.content-page {
  flex: 1;
  padding: 48px 0 32px;
}

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

.content-hero h1 {
  max-width: 860px;
}

.content-hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.lang-panel {
  display: none;
}

html[data-ui-lang="en"] .lang-panel[data-lang-panel="en"],
html[data-ui-lang="zh-sc"] .lang-panel[data-lang-panel="zh-sc"],
html[data-ui-lang="zh-tc"] .lang-panel[data-lang-panel="zh-tc"] {
  display: block;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 22px;
}

.policy-stack {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.info-card {
  padding: clamp(22px, 3vw, 32px);
}

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

.info-card h2,
.chart-card h2,
.service-card h2 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.info-card p,
.info-card li,
.chart-card p,
.service-card p {
  color: var(--muted);
  line-height: 1.65;
}

.info-card a {
  color: var(--accent);
  font-weight: 700;
}

.text-btn {
  display: inline-flex;
  margin-top: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.status-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.overall-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--success) 12%, transparent);
  color: var(--success);
  font-weight: 760;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--success) 18%, transparent);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.metric-card {
  padding: 22px;
}

.metric-label,
.metric-sub {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric-card strong {
  display: block;
  margin: 10px 0 8px;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.status-grid-main {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 18px;
  margin-top: 18px;
}

.chart-card,
.service-card {
  padding: clamp(22px, 3vw, 30px);
}

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

.section-title-row p {
  margin: 0;
}

.soft-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-chart {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

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

.component-item {
  display: grid;
  grid-template-columns: 12px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
}

.component-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--success);
}

.component-item strong {
  display: block;
  margin-bottom: 3px;
}

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

.component-pill {
  color: var(--success);
  font-size: 13px;
  font-weight: 760;
}

.event-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.event-list li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
}

.event-time {
  color: var(--muted);
  font-size: 13px;
}

.event-title {
  color: var(--text);
  font-weight: 760;
}

.event-copy {
  margin: 4px 0 0;
  color: var(--muted);
}

@media (max-width: 980px) {
  .topbar {
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }

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

  .status-grid-main,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .status-hero {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .main-nav {
    overflow-x: auto;
    justify-content: flex-start;
  }

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

  .event-list li {
    grid-template-columns: 1fr;
  }
}

.error-hero {
  min-height: 420px;
  display: grid;
  align-content: center;
  justify-items: start;
}

.error-hero h1 {
  font-size: clamp(72px, 14vw, 160px);
  line-height: 0.9;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

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

.primary-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--accent-text);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 760;
  box-shadow: 0 16px 34px color-mix(in srgb, var(--accent) 26%, transparent);
}