:root {
  --bg-0: #0b0f1f;
  --bg-1: #131a35;
  --panel: rgba(20, 28, 56, 0.92);
  --border: rgba(99, 102, 241, 0.28);
  --text: #f4f6ff;
  --muted: #a4b1d4;
  --accent: #fbbf24;
  --success: #86efac;
  --danger: #fca5a5;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: linear-gradient(160deg, var(--bg-0), #1b2548);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(400px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 24px 48px rgba(0,0,0,.45);
}
.login-card h1 { margin: 0 0 8px; font-size: 1.5rem; }
.login-card p { margin: 0 0 24px; color: var(--muted); }

/* Layout */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: rgba(8, 12, 28, 0.95);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.sidebar-nav { flex: 1; }
.sidebar-footer {
  padding: 12px 0 0;
  border-top: 1px solid rgba(99, 102, 241, 0.15);
  margin-top: 12px;
}
.brand {
  padding: 0 20px 20px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
}
.nav-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px 20px;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
}
.nav-btn:hover, .nav-btn.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--text);
}
.main {
  flex: 1;
  padding: 24px 28px;
  overflow: auto;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.topbar h2 { margin: 0; font-size: 1.35rem; }
.logout-btn {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: var(--danger);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat-card .label { color: var(--muted); font-size: 0.85rem; }
.stat-card .value { font-size: 1.6rem; font-weight: 700; margin-top: 4px; }

/* Panels */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}
.panel-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.panel-actions input[type="search"] {
  min-width: 200px;
}
.balance-cell {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.balance-ok { color: var(--success); }
.balance-low { color: var(--accent); }
.balance-empty { color: var(--danger); }
.can-play-yes { color: var(--success); font-weight: 600; }
.can-play-no { color: var(--danger); font-weight: 600; }
.panel-header h3 { margin: 0; font-size: 1.05rem; }

/* Forms */
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field span { font-size: 0.85rem; color: var(--muted); }
input, select, textarea {
  background: rgba(8, 12, 28, 0.8);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(251, 191, 36, 0.35);
  border-color: var(--accent);
}
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.btn {
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}
.btn-primary {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #1a1200;
}
.btn-secondary {
  background: rgba(99, 102, 241, 0.25);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.message {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}
.message.error { background: rgba(239,68,68,.15); color: var(--danger); }
.message.success { background: rgba(34,197,94,.15); color: var(--success); }

/* Tables */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: .04em; }
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-active { background: rgba(34,197,94,.2); color: var(--success); }
.badge-pending { background: rgba(251,191,36,.2); color: var(--accent); }
.badge-suspended { background: rgba(239,68,68,.2); color: var(--danger); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  display: grid;
  place-items: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: min(420px, 100%);
}
.modal h3 { margin: 0 0 16px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; }

.code-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.code-chip {
  background: rgba(99,102,241,.2);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 8px;
  font-family: monospace;
  font-size: 0.9rem;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.profile-info {
  display: grid;
  gap: 12px;
  margin: 0 0 8px;
}
.profile-info dt {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.profile-info dd {
  margin: 4px 0 0;
  font-size: 1.05rem;
  font-weight: 600;
}
.profile-note {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0 0 16px;
}