:root {
  --bg:        #080b14;
  --surface:   #0e1220;
  --surface2:  #151929;
  --border:    #1e2438;
  --accent:    #6366f1;
  --accent2:   #8b5cf6;
  --cyan:      #06b6d4;
  --success:   #22c55e;
  --danger:    #ef4444;
  --warn:      #f59e0b;
  --text:      #e5e7eb;
  --muted:     #6b7280;
  --radius:    12px;
  --glow:      0 0 20px rgba(99,102,241,.25);
  --glow-sm:   0 0 10px rgba(99,102,241,.2);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.6;
}

/* ── Animated grid background ────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

body > * { position: relative; z-index: 1; }

/* ── Auth layout ─────────────────────────────────────── */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-wrap {
  width: 100%;
  max-width: 440px;
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 32px;
  justify-content: center;
  background: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px rgba(99,102,241,.4));
}

.auth-logo svg { filter: drop-shadow(0 0 8px rgba(99,102,241,.6)); }

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,.4), var(--glow);
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4);
}

.auth-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text);
}

/* ── App layout ──────────────────────────────────────── */
.app-page { display: flex; flex-direction: column; }

.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 64px;
  background: rgba(14,18,32,.9);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.topnav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.topnav-brand svg { filter: drop-shadow(0 0 6px rgba(99,102,241,.5)); }

.topnav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.topnav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color .15s, background .15s;
}

.topnav-link:hover  { color: var(--text); background: rgba(255,255,255,.06); }
.topnav-link.active { color: var(--text); background: rgba(99,102,241,.15); }
.topnav-link.active svg { stroke: #6366f1; }

.topnav-user {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

.app-main {
  max-width: 920px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 24px;
}

/* ── Cards ───────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  transition: border-color .2s, box-shadow .2s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4);
  opacity: 0;
  transition: opacity .2s;
}

.card:hover { border-color: rgba(99,102,241,.3); box-shadow: var(--glow); }
.card:hover::before { opacity: 1; }

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title svg { color: var(--accent); filter: drop-shadow(0 0 4px rgba(99,102,241,.4)); }

/* ── Forms ───────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 7px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
  width: 100%;
  padding: 11px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: var(--glow-sm);
}

.form-hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 5px;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 22px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all .2s;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 4px 15px rgba(99,102,241,.3);
}
.btn-primary:hover {
  box-shadow: 0 4px 25px rgba(99,102,241,.5);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-success  { background: var(--success); color: #fff; box-shadow: 0 4px 15px rgba(34,197,94,.25); }
.btn-success:hover { box-shadow: 0 4px 25px rgba(34,197,94,.4); transform: translateY(-1px); }

.btn-outline  {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); box-shadow: var(--glow-sm); }

.btn-block    { width: 100%; justify-content: center; padding: 13px; font-size: 15px; letter-spacing: .02em; }
.btn-sm       { padding: 6px 14px; font-size: 13px; }

/* ── Alerts ──────────────────────────────────────────── */
.alert {
  padding: 13px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 18px;
  border-left: 4px solid;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alert-error   { background: rgba(239,68,68,.1);   border-color: var(--danger);  color: #fca5a5; }
.alert-success { background: rgba(34,197,94,.1);   border-color: var(--success); color: #86efac; }
.alert-info    { background: rgba(99,102,241,.1);  border-color: var(--accent);  color: #a5b4fc; }

/* ── Auth footer links ───────────────────────────────── */
.auth-links {
  text-align: center;
  margin-top: 22px;
  font-size: 13px;
  color: var(--muted);
}
.auth-links a { color: var(--accent2); text-decoration: none; font-weight: 600; }
.auth-links a:hover { color: var(--cyan); text-decoration: underline; }

/* ── Profile info grid ───────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.info-item {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  transition: border-color .2s;
}
.info-item:hover { border-color: rgba(99,102,241,.3); }

.info-item label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 5px;
  font-weight: 700;
}

.info-item .val {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.badge-active {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(34,197,94,.12);
  color: var(--success);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid rgba(34,197,94,.2);
  box-shadow: 0 0 12px rgba(34,197,94,.15);
}

/* ── Config block ────────────────────────────────────── */
.config-box {
  background: #060810;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.9;
  color: #a5b4fc;
  white-space: pre;
  overflow-x: auto;
  margin-bottom: 16px;
  box-shadow: inset 0 2px 8px rgba(0,0,0,.4);
}

.config-box .cfg-section { color: #34d399; font-weight: bold; }
.config-box .cfg-key     { color: #e2e8f0; }
.config-box .cfg-val     { color: #fbbf24; }

.config-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ── Page header ─────────────────────────────────────── */
.page-header {
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--text) 60%, var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header p {
  color: var(--muted);
  font-size: 14px;
}

/* ── Divider ─────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 24px 0;
}

/* ── Steps ───────────────────────────────────────────── */
.steps {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.steps li {
  counter-increment: step;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

.steps li::before {
  content: counter(step);
  min-width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(99,102,241,.15), rgba(139,92,246,.15));
  border: 1px solid var(--accent);
  color: var(--accent2);
  font-weight: 700;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  box-shadow: 0 0 8px rgba(99,102,241,.2);
}

.steps li a { color: var(--accent2); }
.steps li strong { color: var(--text); }

/* ── QR container ────────────────────────────────────── */
.qr-wrap {
  background: linear-gradient(135deg, #0e1220, #151929);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: inline-block;
  box-shadow: 0 0 30px rgba(99,102,241,.1);
}

/* ── Table scroll wrapper ────────────────────────────── */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ── Plan picker grid ────────────────────────────────── */
.plan-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 600px) {
  .info-grid  { grid-template-columns: 1fr; }
  .auth-card  { padding: 28px 20px; }
  .app-main   { padding: 24px 16px; }
  .topnav     { padding: 0 16px; height: auto; flex-wrap: wrap; gap: 0; }
  .topnav-brand-text { display: none; }
  .topnav-links { order: 3; width: 100%; justify-content: center; border-top: 1px solid var(--border); padding: 6px 0; }
  .topnav-user-name  { display: none; }
  .plan-grid  { grid-template-columns: 1fr; }
}