:root {
  --verde: #2891bf;
  --verde-osc: #1f6f9a;
  --verde-cl: #e8f5fc;
  --crema: #faf8f4;
  --marron: #5c4a3a;
  --texto: #2c2420;
  --texto-s: #7a6e68;
  --borde: rgba(92, 74, 58, 0.15);
  --blanco: #fff;
  --danger: #c0392b;
}

* {
  box-sizing: border-box;
}

body.adm {
  margin: 0;
  font-family: system-ui, "Segoe UI", Roboto, sans-serif;
  background: var(--crema);
  color: var(--texto);
  min-height: 100vh;
}

.adm-wrap {
  display: flex;
  min-height: 100vh;
}

.adm-side {
  width: 240px;
  background: linear-gradient(180deg, #1a2d3a 0%, #0f1a22 100%);
  color: #fff;
  padding: 1.5rem 0;
  flex-shrink: 0;
}

.adm-side .brand {
  padding: 0 1.25rem 1.25rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.adm-side .brand span {
  color: #8dd4f0;
}

.adm-nav a {
  display: block;
  padding: 0.65rem 1.25rem;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.92rem;
  border-left: 3px solid transparent;
}

.adm-nav a:hover,
.adm-nav a.on {
  background: rgba(26, 179, 148, 0.15);
  color: #fff;
  border-left-color: var(--verde);
}

.adm-main {
  flex: 1;
  padding: 1.5rem 2rem;
  overflow-x: auto;
}

.adm-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.adm-top h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--marron);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: none;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}

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

.btn-primary:hover {
  background: var(--verde-osc);
}

.btn-ghost {
  background: transparent;
  color: var(--verde-osc);
  border: 1px solid var(--borde);
}

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

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.82rem;
}

.card {
  background: var(--blanco);
  border-radius: 12px;
  border: 1px solid var(--borde);
  box-shadow: 0 4px 24px rgba(44, 36, 32, 0.06);
  overflow: hidden;
}

table.adm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

table.adm-table th,
table.adm-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--borde);
}

table.adm-table th {
  background: var(--verde-cl);
  color: var(--verde-osc);
  font-weight: 600;
}

table.adm-table tr:hover td {
  background: rgba(26, 179, 148, 0.04);
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-ok {
  background: var(--verde-cl);
  color: var(--verde-osc);
}

.badge-warn {
  background: #fff3cd;
  color: #856404;
}

.badge-mute {
  background: #eee;
  color: #555;
}

.modal-bg {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-bg.on {
  display: flex;
}

.modal-box {
  background: #fff;
  border-radius: 16px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.modal-box.wide {
  max-width: 880px;
}

.modal-box h2 {
  margin: 0 0 1rem;
  font-size: 1.2rem;
  color: var(--marron);
}

.f-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1rem;
}

.f-grid .full {
  grid-column: 1 / -1;
}

label.f {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--texto-s);
  margin-bottom: 0.25rem;
}

input.f,
textarea.f,
select.f {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--borde);
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: inherit;
}

textarea.f {
  min-height: 80px;
  resize: vertical;
}

.modal-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--borde);
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: linear-gradient(160deg, #2a4a5c 0%, #1a2d3a 50%, #0f1a22 100%);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.login-card h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  color: var(--marron);
}

.login-card p {
  margin: 0 0 1.25rem;
  color: var(--texto-s);
  font-size: 0.9rem;
}

.err {
  background: #fdecea;
  color: #c0392b;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 12px;
  padding: 1.25rem;
}

.stat-card b {
  display: block;
  font-size: 1.75rem;
  color: var(--verde-osc);
}

.stat-card span {
  font-size: 0.85rem;
  color: var(--texto-s);
}

@media (max-width: 900px) {
  .adm-wrap {
    flex-direction: column;
  }

  .adm-side {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
  }

  .adm-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  .adm-nav a {
    border-left: none;
    border-radius: 8px;
  }

  .f-grid {
    grid-template-columns: 1fr;
  }
}