:root {
  --bg-top: #0b2340;
  --bg-mid: #123c63;
  --bg-accent: #1a7cb3;
  --planet-top: #134e4a;
  --planet-bottom: #042f2e;
  --glass-bg: rgba(15, 18, 26, 0.34);
  --glass-strong: rgba(15, 18, 26, 0.54);
  --border-soft: rgba(255, 255, 255, 0.14);
  --border-strong: rgba(255, 255, 255, 0.24);
  --text-main: #f4fbff;
  --text-soft: rgba(244, 251, 255, 0.76);
  --text-dim: rgba(244, 251, 255, 0.55);
  --accent: #8ad3ff;
  --accent-strong: #d8f3ff;
  --danger: #ffb8b8;
  --success: #96f3c8;
  --shadow: 0 24px 54px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top, rgba(82, 168, 255, 0.28), transparent 32%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 54%, #07182e 100%);
  position: relative;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 18%, rgba(255,255,255,0.09), transparent 22%);
  opacity: 0.95;
}
.bg-planet {
  position: fixed;
  left: 50%;
  bottom: -120vh;
  transform: translateX(-50%);
  width: 240vw;
  height: 145vh;
  border-radius: 50%;
  background: radial-gradient(ellipse at top, var(--planet-top) 0%, var(--planet-bottom) 100%);
  box-shadow: 0 -10px 78px rgba(20, 184, 166, 0.54), inset 0 8px 22px rgba(255,255,255,0.24);
  border-top: 2px solid rgba(255,255,255,0.18);
  pointer-events: none;
  z-index: 0;
}
.page-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 28px 18px 24px;
}
.page-top {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto 24px;
}
.brand-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--glass-strong);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-soft);
  border-top-color: var(--border-strong);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 16px 20px;
}
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}
.brand-icon {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,0.35));
}
.brand-name {
  margin: 0;
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 12px rgba(0,0,0,0.45);
}
.brand-subtitle {
  margin: 3px 0 0;
  color: var(--text-dim);
  font-size: 0.94rem;
}
.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}
.top-nav a {
  color: var(--text-soft);
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.top-nav a:hover,
.top-nav a[aria-current="page"] {
  background: rgba(255,255,255,0.14);
  color: var(--text-main);
  transform: translateY(-1px);
}
.page-main {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  flex: 1;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
}
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(170%);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  border: 1px solid var(--border-soft);
  border-top-color: var(--border-strong);
  border-radius: 26px;
  box-shadow: var(--shadow);
  padding: 26px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.75;
}
.hero-title {
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 1.04;
}
.hero-copy,
.content-copy,
.section-copy,
.meta-copy {
  color: var(--text-soft);
  line-height: 1.72;
  font-size: 1rem;
}
.hero-copy { margin: 18px 0 0; max-width: 60ch; }
.stack { display: grid; gap: 18px; }
.info-grid,
.status-grid,
.dual-grid {
  display: grid;
  gap: 16px;
}
.info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 22px; }
.status-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.dual-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.info-item,
.status-item,
.meta-item,
.section-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 18px;
}
.info-label,
.meta-label {
  color: var(--text-dim);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.info-value,
.meta-value,
.status-title {
  margin-top: 8px;
  font-size: 1rem;
  color: var(--text-main);
}
.meta-value strong,
.status-title strong {
  display: block;
  font-size: 1.18rem;
  margin-bottom: 4px;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(150,243,200,0.14);
  color: var(--success);
  border: 1px solid rgba(150,243,200,0.2);
  font-size: 0.92rem;
}
.status-pill.warn {
  background: rgba(255,184,184,0.14);
  color: var(--danger);
  border-color: rgba(255,184,184,0.2);
}
.card-title {
  margin: 0 0 14px;
  font-size: 1.45rem;
}
.card-subtitle {
  margin: 0 0 8px;
  color: var(--text-dim);
  font-size: 0.95rem;
}
.login-card {
  max-width: 460px;
  margin: 0 auto;
}
.notice-banner {
  display: none;
  margin: 0 0 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 216, 142, 0.14);
  border: 1px solid rgba(255, 216, 142, 0.22);
  color: #ffe9b5;
  line-height: 1.55;
}
.notice-banner.active { display: block; }
.login-form { display: grid; gap: 14px; margin-top: 18px; }
.input-field { display: grid; gap: 8px; }
.input-label { color: var(--text-soft); font-size: 0.92rem; }
.input-control {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0, 0, 0, 0.18);
  color: var(--text-main);
  padding: 14px 16px;
  outline: none;
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.18);
}
.input-control::placeholder { color: rgba(255,255,255,0.42); }
.input-control:focus {
  border-color: rgba(255,255,255,0.26);
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.28), 0 0 0 3px rgba(255,255,255,0.08);
}
.primary-btn,
.secondary-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 16px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
.primary-btn {
  background: rgba(255,255,255,0.9);
  color: #05111f;
  box-shadow: 0 8px 20px rgba(0,0,0,0.18);
}
.secondary-btn {
  background: rgba(255,255,255,0.08);
  color: var(--text-main);
  border: 1px solid rgba(255,255,255,0.1);
}
.primary-btn:hover,
.secondary-btn:hover { transform: translateY(-1px); }
.primary-btn:disabled { opacity: 0.7; cursor: wait; }
.inline-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.page-footer {
  width: 100%;
  max-width: 1120px;
  margin: 28px auto 0;
  padding: 0 6px;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.9rem;
}
.page-footer a { color: var(--text-soft); text-decoration: none; }
.page-footer a:hover { color: var(--text-main); }
.list-clean { margin: 0; padding-left: 18px; color: var(--text-soft); line-height: 1.72; }
.kv { display: grid; gap: 10px; margin-top: 16px; }
.kv-row { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.kv-row:last-child { border-bottom: 0; padding-bottom: 0; }
.kv-row span:first-child { color: var(--text-dim); }
.code-note {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.92rem;
  color: var(--accent-strong);
  word-break: break-word;
}
@media (max-width: 920px) {
  .brand-card,
  .hero-grid,
  .dual-grid,
  .status-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }
  .brand-card { align-items: flex-start; }
  .top-nav { justify-content: flex-start; }
}
@media (max-width: 560px) {
  .page-shell { padding: 18px 12px 20px; }
  .brand-card,
  .glass-card { padding: 20px; border-radius: 22px; }
  .brand-link { align-items: flex-start; }
  .brand-icon { width: 46px; height: 46px; }
  .hero-title { font-size: 2rem; }
  .page-footer { font-size: 0.82rem; }
}