:root {
  --bg-0: #070b14;
  --bg-1: #0d1424;
  --bg-2: #121c31;
  --surface: rgba(18, 26, 44, 0.72);
  --surface-2: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #eef2ff;
  --muted: #94a3b8;
  --primary: #7c6cff;
  --primary-2: #22d3ee;
  --accent: #f59e0b;
  --success: #34d399;
  --danger: #fb7185;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg-0);
  line-height: 1.6;
}

body.page-auth {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--primary-2);
  text-decoration: none;
}

a:hover {
  color: #67e8f9;
}

.app-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 12% 18%, rgba(124, 108, 255, 0.22), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(34, 211, 238, 0.16), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(245, 158, 11, 0.08), transparent 30%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 40%, var(--bg-2));
}

.app-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 90%);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(7, 11, 20, 0.72);
  border-bottom: 1px solid var(--border);
}

.app-header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  min-width: 0;
}

.brand-center {
  justify-content: center;
  margin: 0 auto 18px;
}

.brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  flex: 0 0 auto;
  box-shadow: 0 8px 24px rgba(124, 108, 255, 0.35);
}

.brand-icon-lg {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 8px 24px rgba(124, 108, 255, 0.35);
  font-size: 16px;
}

.brand-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-size: 12px;
  color: var(--muted);
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.app-nav {
  display: flex;
  gap: 8px;
  flex: 1;
}

.nav-link {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--text);
  background: rgba(124, 108, 255, 0.12);
  border-color: rgba(124, 108, 255, 0.28);
}

.app-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.user-name {
  font-size: 14px;
  font-weight: 600;
}

.user-id {
  font-size: 12px;
  color: var(--muted);
}

.app-main,
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 40px;
}

.dashboard-hero {
  padding: 28px;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(135deg, rgba(124, 108, 255, 0.18), rgba(34, 211, 238, 0.08));
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  margin-bottom: 22px;
}

.dashboard-hero h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
}

.dashboard-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 720px;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.stat-card {
  padding: 18px 20px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
}

.stat-meta {
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

.download-grid-single {
  max-width: 420px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.section {
  margin-bottom: 22px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-head h2 {
  margin: 0;
  font-size: 22px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.panel,
.card,
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.panel,
.glass-card {
  padding: 22px;
}

.card {
  padding: 28px;
}

.panel h2,
.panel h3,
.glass-card h2,
.glass-card h3 {
  margin: 0 0 12px;
  font-size: 18px;
}

.panel p,
.panel li,
.glass-card p,
.glass-card li {
  color: var(--muted);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(124, 108, 255, 0.12);
  border: 1px solid rgba(124, 108, 255, 0.24);
  color: #c4b5fd;
  font-size: 12px;
}

.tag-live {
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.28);
  color: #6ee7b7;
}

.code {
  display: inline-block;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-strong);
  color: #f8fafc;
  font-family: Consolas, "Courier New", monospace;
  font-size: 15px;
  word-break: break-all;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: 0.2s ease;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #5b4ee8);
  color: #fff;
  box-shadow: 0 12px 30px rgba(124, 108, 255, 0.28);
}

.btn-secondary,
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.download-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 100%;
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}

.download-icon {
  font-size: 28px;
}

.download-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.download-card .hint {
  flex: 1;
  margin: 0;
}

.download-card-highlight {
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.18), var(--shadow);
}

.steps {
  margin: 0;
  padding-left: 20px;
}

.steps li {
  margin-bottom: 10px;
}

.steps li strong {
  color: var(--text);
}

.info-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.info-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.info-list li:last-child {
  border-bottom: none;
}

.info-list span {
  color: var(--muted);
}

.info-list strong {
  color: var(--text);
  font-weight: 600;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: #cbd5e1;
}

.form-group input {
  width: 100%;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 15px;
}

.form-group input:focus {
  outline: none;
  border-color: rgba(124, 108, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(124, 108, 255, 0.15);
}

.form-group small.muted,
.muted {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.form-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
  font-size: 14px;
}

.alert {
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-size: 14px;
  border: 1px solid transparent;
}

.alert:empty {
  display: none;
}

.alert-error {
  background: rgba(251, 113, 133, 0.12);
  color: #fecdd3;
  border-color: rgba(251, 113, 133, 0.28);
}

.alert-info {
  background: rgba(34, 211, 238, 0.1);
  color: #a5f3fc;
  border-color: rgba(34, 211, 238, 0.24);
}

.alert-success {
  background: rgba(52, 211, 153, 0.12);
  color: #a7f3d0;
  border-color: rgba(52, 211, 153, 0.28);
}

.auth-wrap {
  width: 100%;
  max-width: 460px;
  margin: auto;
  padding: 32px 20px 48px;
}

.dashboard-intro {
  padding: 26px 28px;
}

.dashboard-intro-head {
  display: flex;
  gap: 24px;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.dashboard-intro-main {
  flex: 1;
  min-width: 260px;
}

.dashboard-intro-title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
  background: linear-gradient(135deg, #eef2ff, #a5f3fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.dashboard-intro-lead {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 640px;
}

.dashboard-intro-quote {
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid rgba(124, 108, 255, 0.55);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(0, 0, 0, 0.22);
  color: #cbd5e1;
  font-size: 13px;
  font-style: italic;
  line-height: 1.65;
  max-width: 640px;
}

.dashboard-intro-roles {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 220px;
}

.dashboard-intro-role {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
}

.dashboard-intro-role strong {
  display: block;
  font-size: 13px;
  margin-bottom: 4px;
  color: var(--text);
}

.dashboard-intro-role p {
  margin: 0;
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
}

.dashboard-intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.dashboard-intro-card {
  display: flex;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
}

.dashboard-intro-card strong {
  display: block;
  font-size: 13px;
  margin-bottom: 4px;
  color: var(--text);
}

.dashboard-intro-card p {
  margin: 0;
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
}

.dashboard-intro-icon {
  font-size: 20px;
  line-height: 1;
  flex: 0 0 auto;
}

.dashboard-intro-foot {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}

.dashboard-intro-foot strong {
  color: #c4b5fd;
}

.auth-card-foot {
  margin-top: 18px;
  text-align: center;
}

.auth-card {
  padding: 28px;
}

.auth-header {
  text-align: center;
  padding: 36px 20px 8px;
}

.auth-title {
  margin: 0 0 8px;
  font-size: 28px;
}

.auth-subtitle {
  margin: 0;
  color: var(--muted);
}

.app-footer,
.footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 8px 20px 28px;
}

@media (max-width: 860px) {
  .dashboard-intro-grid {
    grid-template-columns: 1fr;
  }

  .app-header-inner {
    flex-wrap: wrap;
  }

  .app-nav {
    order: 3;
    width: 100%;
  }

  .user-chip {
    align-items: flex-start;
  }
}