body.admin {
  background: var(--bg);
}

/* ---- Login ---- */

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  animation: admin-card-in 0.65s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes admin-card-in {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
}

.login-card__logo {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.login-card__logo img {
  height: 56px;
}

.login-card h1 {
  font-family: var(--font-display);
  font-size: 20px;
  text-align: center;
  margin: 0 0 4px;
}

.login-card p.subtitle {
  text-align: center;
  color: var(--ink-soft);
  font-size: 13.5px;
  margin: 0 0 28px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--r-md);
  border: 1.5px solid var(--border);
  font-size: 15px;
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--ink);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--teal);
  outline: none;
}

.alert {
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-size: 13.5px;
  margin-bottom: 18px;
}

.alert--error {
  background: var(--error-soft, #fbe7e7);
  color: var(--error);
}

.alert--success {
  background: var(--check-green-soft);
  color: var(--check-green);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

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

.btn--violet:hover {
  background: var(--teal-deep);
}

/* ---- Dashboard shell ---- */

.admin-topbar {
  background: var(--teal-deep);
  color: #fff;
  padding: 16px 0;
}

.admin-topbar__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-topbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
}

.admin-topbar__brand img {
  height: 24px;
  background: white;
  border-radius: 6px;
  padding: 2px;
}

.admin-topbar__right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13.5px;
}

.admin-topbar form {
  display: inline;
}

.admin-topbar__logout {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  cursor: pointer;
}

.admin-topbar__logout:hover {
  background: rgba(255, 255, 255, 0.25);
}

.admin-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.admin-content h1 {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 0 0 4px;
}

.admin-content > p.subtitle {
  color: var(--ink-soft);
  font-size: 14px;
  margin: 0 0 28px;
}

/* ---- Stat cards ---- */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}

@media (max-width: 900px) {
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }

.stat-card__value {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
}

.stat-card__label {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 2px;
}

.stat-card.total .stat-card__value { color: var(--ink); }
.stat-card.disponible .stat-card__value { color: var(--teal); }
.stat-card.entregada .stat-card__value { color: var(--warn); }
.stat-card.activada .stat-card__value { color: var(--check-green); }
.stat-card.revocada .stat-card__value { color: var(--error); }

/* ---- Generar claves ---- */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  margin-bottom: 32px;
}

.panel h2 {
  font-family: var(--font-display);
  font-size: 17px;
  margin: 0 0 4px;
}

.panel p.hint {
  color: var(--ink-soft);
  font-size: 13.5px;
  margin: 0 0 20px;
}

.generate-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.generate-form .field {
  margin-bottom: 0;
}

.generate-form .field--cantidad input {
  width: 100px;
}

.generate-form .field--nota input {
  width: 260px;
}

/* ---- Tabla de claves ---- */

.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: color-mix(in srgb, var(--surface) 88%, var(--bg));
}

th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: none;
}

.codigo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.02em;
}

.copy-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 4px 8px;
  font-size: 11.5px;
  color: var(--ink-soft);
  cursor: pointer;
  margin-left: 8px;
}

.copy-btn:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge--disponible {
  background: var(--teal-soft);
  color: var(--teal-deep);
}
.badge--disponible::before { background: var(--teal); }

.badge--entregada {
  background: #fbf1dd;
  color: #8a6410;
}
.badge--entregada::before { background: var(--warn); }

.badge--activada {
  background: var(--check-green-soft);
  color: #157354;
}
.badge--activada::before { background: var(--check-green); }

.badge--revocada {
  background: #fbe7e7;
  color: #a12f2f;
}
.badge--revocada::before { background: var(--error); }

.row-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.row-actions select {
  font-size: 12.5px;
  padding: 6px 8px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
}

.icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 6px 9px;
  font-size: 12.5px;
  color: var(--ink-soft);
  cursor: pointer;
}

.icon-btn:hover {
  border-color: var(--error);
  color: var(--error);
}

.table-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
}

.api-docs {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  gap: 20px;
  border-left: 4px solid var(--teal);
}

.api-docs__endpoint { display: inline-flex; gap: 10px; align-items: center; margin: 8px 0 14px; font: 13px var(--font-mono); }
.api-docs__method { color: #fff; background: var(--teal); border-radius: 6px; padding: 5px 8px; font-weight: 700; }
.api-docs pre { margin: 0; padding: 16px; overflow-x: auto; border-radius: var(--r-md); color: #d9f7f3; background: #0f2327; font: 12.5px/1.55 var(--font-mono); }
.admin-topbar .ui-tool { color: #fff; border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.12); }
.login-tools { position: fixed; top: 18px; right: 18px; }

@media (max-width: 680px) {
  .login-screen { padding: 16px; }
  .login-card { padding: 30px 22px; }
  .admin-topbar__inner { padding: 0 16px; }
  .admin-topbar__right > span { display: none; }
  .admin-content { padding: 24px 16px 56px; }
  .stat-grid { gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card__value { font-size: 22px; }
  .panel { padding: 20px 16px; }
  .generate-form { align-items: stretch; }
  .generate-form .field,
  .generate-form .field--cantidad input,
  .generate-form .field--nota input,
  .generate-form .btn { width: 100%; }
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 760px; }
  th, td { padding-inline: 12px; }
  .api-docs { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat-card.total { grid-column: 1 / -1; }
  .admin-topbar__brand { font-size: 14px; }
  .admin-topbar__logout { padding: 7px 10px; }
}