:root {
  --bg: #0a1223;
  --bg-2: #0f1830;
  --surface: rgba(18, 28, 52, 0.9);
  --surface-2: rgba(24, 38, 70, 0.92);
  --surface-soft: rgba(255, 255, 255, 0.04);
  --ink: #eff4ff;
  --muted: #9aabcb;
  --line: rgba(117, 140, 188, 0.18);
  --accent: #4ade80;
  --accent-2: #38bdf8;
  --danger: #fb7185;
  --warning: #fbbf24;
  --shadow: 0 26px 70px rgba(4, 10, 24, 0.3);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 25%),
    radial-gradient(circle at top right, rgba(74, 222, 128, 0.08), transparent 20%),
    linear-gradient(180deg, #09101f, var(--bg) 45%, #07111f 100%);
  color: var(--ink);
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px 1fr;
}

.sidebar {
  padding: 24px;
  border-right: 1px solid var(--line);
  background: rgba(10, 18, 35, 0.82);
  backdrop-filter: blur(18px);
}

.back-link {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}
.back-link:hover { color: var(--ink); }

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 800;
}

.brand-block h1 {
  margin: 0 0 10px;
  font-size: 2rem;
  line-height: 1.02;
}

.sidebar-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.auth-box, .sidebar-card {
  margin-top: 22px;
  padding: 18px;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.auth-box h2, .sidebar-card h3 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.field { display: block; margin-bottom: 14px; }
.field span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.field input, .primary-button, .secondary-button {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 13px 14px;
  background: var(--surface-2);
  color: var(--ink);
}
.field input::placeholder { color: #7587a9; }

.primary-button {
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), #22c55e);
  color: #06230f;
  font-weight: 800;
}

.secondary-button {
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  font-weight: 700;
}

.button-stack { display: grid; gap: 10px; }

.hint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.sidebar-card a {
  display: block;
  color: var(--ink);
  text-decoration: none;
  margin-bottom: 10px;
}
.sidebar-card a:last-child { margin-bottom: 0; }

.content { padding: 24px; }

.notice-bar {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 20px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(251, 191, 36, 0.16);
  background: rgba(251, 191, 36, 0.08);
  color: #fde8a6;
}

.hero-panel, .metric-card, .panel {
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.14), rgba(74, 222, 128, 0.08)),
    var(--surface);
}

.hero-panel h2 {
  margin: 0 0 10px;
  font-size: 2rem;
  line-height: 1.04;
  max-width: 12ch;
}

.hero-copy {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.7;
}

.hero-status { display: flex; align-items: flex-start; }

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-weight: 700;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 20px;
}

.metric-card { padding: 18px; }
.metric-label {
  display: block;
  color: var(--muted);
  margin-bottom: 10px;
  font-size: 0.88rem;
}
.metric-card strong {
  display: block;
  font-size: 1.6rem;
  margin-bottom: 8px;
}
.metric-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.panel { padding: 20px; }
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.panel-head h3 { margin: 0; font-size: 1.08rem; }

.badge {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.plans-panel { margin-bottom: 20px; }
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.plan-card {
  border-radius: 22px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
}
.plan-starter { box-shadow: inset 0 0 0 1px rgba(74, 222, 128, 0.12); }
.plan-core { box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.16); }
.plan-yearly { box-shadow: inset 0 0 0 1px rgba(167, 139, 250, 0.18); }

.plan-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.plan-name { font-weight: 800; font-size: 1.05rem; }
.plan-duration { color: var(--muted); font-size: 0.92rem; }
.plan-price { display: block; font-size: 1.8rem; margin-bottom: 10px; }
.plan-description { margin: 0 0 16px; color: var(--muted); line-height: 1.6; min-height: 78px; }
.plan-button {
  width: 100%;
  border: none;
  cursor: pointer;
  padding: 12px 14px;
  border-radius: 14px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-2), #4f46e5);
  color: white;
}

.purchase-flow {
  border-radius: 20px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
}
.purchase-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.purchase-head h4 { margin: 6px 0 0; font-size: 1.12rem; }
.purchase-flow p { margin: 0 0 12px; color: var(--muted); line-height: 1.65; }
.purchase-note { color: #d8e3ff !important; }
.purchase-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.primary-link, .secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 800;
}
.primary-link {
  background: linear-gradient(135deg, var(--accent), #22c55e);
  color: #06230f;
}
.secondary-link {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255,255,255,0.02);
}

.content-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  margin-bottom: 20px;
}
.lower-grid { grid-template-columns: 1fr 1fr; }

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

.info-card, .access-card, .list-item {
  border-radius: 18px;
  padding: 16px;
  background: var(--surface-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.info-card span, .list-meta, .list-subtitle {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}
.info-card strong { display: block; margin-top: 8px; font-size: 1.02rem; }
.access-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.link-box { margin-top: 14px; }
.link-box strong {
  display: block;
  margin-top: 8px;
  line-height: 1.6;
  word-break: break-word;
}
.list-stack { display: grid; gap: 12px; }
.list-title {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}
.empty-state {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}
.tone-good { color: var(--accent); }
.tone-warn { color: var(--warning); }
.tone-danger { color: var(--danger); }

@media (max-width: 1180px) {
  .shell, .content-grid, .lower-grid, .plans-grid, .metrics-grid {
    grid-template-columns: 1fr;
  }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .hero-panel { flex-direction: column; }
}