:root {
  --admin-dark: #12141a;
  --admin-sidebar: #1a1d24;
  --admin-card: #ffffff;
  --admin-border: #e3e6eb;
  --admin-accent: #d7192d;
  --admin-accent-hover: #b0121f;
  --admin-text: #2c323f;
  --admin-muted: #727a8c;
  --admin-bg: #f4f6f9;
  --font-admin: 'Jost', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body.admin-body {
  font-family: var(--font-admin);
  background: var(--admin-bg);
  color: var(--admin-text);
  line-height: 1.5;
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: 260px;
  background: var(--admin-sidebar);
  color: #fff;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(255,255,255,0.06);
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-header h2 {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: #fff;
}
.sidebar-header small {
  display: block;
  color: var(--admin-accent);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.sidebar-nav {
  padding: 20px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  color: #a4abb8;
  text-decoration: none;
  font-size: 14px;
  border-radius: 8px;
  transition: all 0.2s ease;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  background: rgba(215, 25, 45, 0.15);
  color: #fff;
}
.sidebar-nav a.active {
  color: #fff;
  border-left: 3px solid var(--admin-accent);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.sidebar-footer a { color: #a4abb8; text-decoration: none; }
.sidebar-footer a:hover { color: #fff; }

/* Main Wrapper */
.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-topbar {
  height: 64px;
  background: #fff;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}
.admin-topbar-user {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
}
.role-badge {
  background: rgba(215, 25, 45, 0.1);
  color: var(--admin-accent);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.admin-content {
  padding: 32px;
  flex: 1;
  overflow-y: auto;
}

/* Tarjetas y Estadísticas */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}
.stat-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  padding: 22px;
}
.stat-card .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--admin-muted);
  display: block;
  margin-bottom: 8px;
}
.stat-card .val {
  font-size: 26px;
  font-weight: 600;
  color: var(--admin-dark);
}
.stat-card.alert {
  border-left: 4px solid #e69500;
}
.stat-card.alert .val {
  color: #e69500;
}

/* Tablas y Formularios */
.card-box {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  padding: 26px;
  margin-bottom: 26px;
}
.card-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 15px;
}
.card-header-flex h3 {
  font-size: 17px;
  font-weight: 500;
  color: var(--admin-dark);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.admin-table th {
  text-align: left;
  padding: 12px 14px;
  background: #fafbfc;
  color: var(--admin-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--admin-border);
}
.admin-table td {
  padding: 14px;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}
.admin-table tr:hover td {
  background: #fcfdfe;
}

/* Badges de estado */
.status-pill {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  display: inline-block;
}
.status-pagado { background: #eaf7ed; color: #1e7e34; }
.status-pendiente { background: #fff8e6; color: #b7791f; }
.status-enviado { background: #e8f4fd; color: #1976d2; }
.status-cancelado { background: #fde8e8; color: #c53030; }

/* Botones Admin */
.btn-adm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-adm-primary {
  background: var(--admin-accent);
  color: #fff;
}
.btn-adm-primary:hover {
  background: var(--admin-accent-hover);
}
.btn-adm-outline {
  background: #fff;
  border-color: var(--admin-border);
  color: var(--admin-text);
}
.btn-adm-outline:hover {
  background: #f8fafc;
}
.btn-adm-sm {
  padding: 5px 10px;
  font-size: 12px;
}

/* Campos de Formulario */
.adm-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.adm-field {
  margin-bottom: 18px;
}
.adm-field label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--admin-muted);
  margin-bottom: 6px;
  font-weight: 500;
}
.adm-field input, .adm-field select, .adm-field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  font-size: 14px;
  outline: none;
}
.adm-field input:focus, .adm-field select:focus, .adm-field textarea:focus {
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 3px rgba(215, 25, 45, 0.1);
}

/* Responsive */
@media (max-width: 900px) {
  body.admin-body { flex-direction: column; }
  .admin-sidebar { width: 100%; height: auto; }
  .admin-topbar { padding: 0 16px; }
  .admin-content { padding: 18px; }
}