:root {
  --bg: #0e0b16;
  --bg-2: #16121f;
  --panel: #1c1726;
  --panel-2: #241d31;
  --border: #322a42;
  --text: #f3eefb;
  --muted: #a99fc0;
  --accent: #a855f7;
  --accent-2: #6d28d9;
  --accent-soft: rgba(168, 85, 247, 0.14);
  --good: #34d399;
  --bad: #f87171;
  --warn: #fbbf24;
  --radius: 14px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(168, 85, 247, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(109, 40, 217, 0.16), transparent 55%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link { position: absolute; left: -999px; }

header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(14, 11, 22, 0.7);
  border-bottom: 1px solid var(--border);
}
header nav {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--text); }
.logo img { height: 34px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 18px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); font-size: 14px; font-weight: 600; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

main { max-width: 1100px; margin: 0 auto; padding: 40px 24px 80px; }

.page-content { max-width: 460px; margin: 0 auto; }
.page-wide { max-width: 920px; margin: 0 auto; }

.back-link { display: inline-block; margin-bottom: 18px; color: var(--muted); font-size: 14px; }

h1 { font-size: 30px; margin: 0 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 19px; margin: 0 0 14px; letter-spacing: -0.01em; }
.account-intro, .muted { color: var(--muted); }

.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.account-form { display: flex; flex-direction: column; gap: 6px; margin-top: 14px; }
.account-form label { font-size: 13px; font-weight: 600; color: var(--muted); margin-top: 10px; }
.account-form input, .account-form select {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.account-form input:focus, .account-form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.btn-primary, .btn-ghost, .btn-danger {
  cursor: pointer; border: none; border-radius: 10px;
  font-size: 15px; font-weight: 700; padding: 12px 18px;
  transition: transform .08s ease, filter .15s ease, background .15s;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; margin-top: 16px; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: .6; cursor: default; }
.btn-ghost { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: #2c2440; }
.btn-danger { background: transparent; color: var(--bad); border: 1px solid rgba(248, 113, 113, .4); }
.btn-danger:hover { background: rgba(248, 113, 113, .1); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }

.account-error { color: var(--bad); font-size: 14px; margin: 12px 0 0; }
.account-ok { color: var(--good); font-size: 14px; margin: 12px 0 0; }
.account-switch, .account-forgot { margin-top: 18px; font-size: 14px; color: var(--muted); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 700;
}
.badge.good { background: rgba(52, 211, 153, .14); color: var(--good); }
.badge.warn { background: rgba(251, 191, 36, .14); color: var(--warn); }
.badge.bad { background: rgba(248, 113, 113, .14); color: var(--bad); }
.badge.info { background: var(--accent-soft); color: var(--accent); }

.kv { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.kv:last-child { border-bottom: none; }
.kv span:first-child { color: var(--muted); }
.kv span:last-child { font-weight: 600; text-align: right; }

.quota-bar { height: 10px; border-radius: 999px; background: var(--bg-2); overflow: hidden; margin-top: 10px; }
.quota-bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin-top: 8px; }
.plan {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 12px; padding: 20px;
  display: flex; flex-direction: column; gap: 6px;
}
.plan.featured { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.plan .price { font-size: 28px; font-weight: 800; }
.plan .price small { font-size: 14px; color: var(--muted); font-weight: 600; }
.plan ul { margin: 10px 0; padding-left: 18px; color: var(--muted); font-size: 14px; }

table.invoices { width: 100%; border-collapse: collapse; font-size: 14px; }
table.invoices th, table.invoices td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
table.invoices th { color: var(--muted); font-weight: 600; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dash-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }

footer { border-top: 1px solid var(--border); padding: 28px 24px; text-align: center; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; gap: 18px; justify-content: center; margin-bottom: 8px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); }

.hidden { display: none !important; }
.spinner { text-align: center; color: var(--muted); padding: 40px 0; }

@media (max-width: 600px) {
  .nav-links { gap: 12px; }
  .grid-2 { grid-template-columns: 1fr; }
}