:root {
  --bg: #04131f;
  --bg-deep: #020b13;
  --panel: rgba(9, 25, 40, 0.72);
  --panel-strong: rgba(10, 29, 48, 0.92);
  --panel-soft: rgba(8, 21, 34, 0.82);
  --line: rgba(139, 202, 255, 0.16);
  --line-strong: rgba(139, 202, 255, 0.28);
  --text: #f4fbff;
  --muted: #9bb4c7;
  --muted-strong: #c3d9e8;
  --accent: #58e0ff;
  --accent-strong: #17bfff;
  --accent-soft: rgba(88, 224, 255, 0.18);
  --success: #67f3c2;
  --warning: #f1c46f;
  --error: #f09a90;
  --error-soft: rgba(240, 154, 144, 0.12);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.4);
  --shadow-soft: 0 18px 42px rgba(0, 0, 0, 0.22);
  --radius-2xl: 32px;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-family: "Segoe UI Variable", "Noto Sans SC", "PingFang SC", "Microsoft YaHei UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(23, 191, 255, 0.14), transparent 30%),
    radial-gradient(circle at 85% 12%, rgba(74, 120, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #061524 0%, #03101a 100%);
  font-family: var(--font-family);
}

body {
  overflow-x: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

.admin-page-shell {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
  padding: 28px;
}

.ambient {
  position: absolute;
  border-radius: 50%;
  filter: blur(26px);
  pointer-events: none;
}

.ambient-a {
  top: 6%;
  right: 9%;
  width: 320px;
  height: 320px;
  opacity: 0.46;
  background: radial-gradient(circle, rgba(23, 191, 255, 0.34), rgba(23, 191, 255, 0) 72%);
}

.ambient-b {
  left: -40px;
  bottom: 6%;
  width: 380px;
  height: 380px;
  opacity: 0.36;
  background: radial-gradient(circle, rgba(103, 243, 194, 0.18), rgba(103, 243, 194, 0) 72%);
}

.ambient-c {
  top: 35%;
  left: 42%;
  width: 240px;
  height: 240px;
  opacity: 0.18;
  background: radial-gradient(circle, rgba(23, 191, 255, 0.24), rgba(23, 191, 255, 0) 72%);
}

.grid-mask {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(91, 145, 191, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 145, 191, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.82), transparent 84%);
  opacity: 0.32;
  pointer-events: none;
}

.panel-kicker {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.card-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(13, 32, 50, 0.8), rgba(7, 18, 29, 0.78));
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.card-glow {
  position: absolute;
  top: -120px;
  right: -84px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23, 191, 255, 0.26), transparent 70%);
  pointer-events: none;
}

.request-id {
  margin: 10px 0 0;
  color: rgba(195, 217, 232, 0.72);
  font-size: 12px;
  line-height: 1.6;
}

@media (max-width: 720px) {
  .admin-page-shell {
    padding: 16px;
  }
}