:root {
  --bg: #0d0f14;
  --surface: #161b25;
  --card: #1e2535;
  --border: #2a3347;
  --green: #3dde6e;
  --green2: #2ecc61;
  --danger: #e3534a;
  --text: #e2e8f4;
  --muted: #7a8ba8;
  --radius: 12px;
}

* { box-sizing: border-box; }

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

body.center {
  display: flex;
  align-items: center;
  justify-content: center;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 40%, rgba(61, 222, 110, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  text-align: center;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.form-input, input[type="text"], input[type="password"], input[type="number"], select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 12px 15px;
  font-size: 0.95rem;
  width: 100%;
}

.form-input:focus, input:focus, select:focus {
  outline: none;
  border-color: var(--green);
}

.btn {
  background: var(--green);
  color: #0d0f14;
  border: none;
  border-radius: 8px;
  padding: 13px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn:hover { background: var(--green2); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.error-msg {
  background: rgba(227, 83, 74, 0.12);
  border: 1px solid rgba(227, 83, 74, 0.4);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--danger);
  font-size: 0.87rem;
  text-align: center;
  display: none;
}

.error-msg.show { display: block; }

.status-msg {
  text-align: center;
  font-weight: 700;
  color: var(--muted);
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

th {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

.badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-active { background: rgba(61, 222, 110, 0.15); color: var(--green); }
.badge-inactive { background: rgba(227, 83, 74, 0.15); color: var(--danger); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.modal-overlay.show { display: flex; }

.modal-overlay .card {
  max-width: 440px;
}

.row-actions {
  display: flex;
  gap: 8px;
}

.row-actions button {
  padding: 6px 10px;
  font-size: 0.8rem;
}