/* =========================================================
   Sistema de Gestión de Usuarios — Tema blanco/verde (v2)
   Rediseño moderno · sin sidebar · topbar superior
   ========================================================= */

:root {
  --verde-primario: #16a34a;
  --verde-oscuro: #0f7a37;
  --verde-vivo: #22c55e;
  --verde-claro: #dcfce7;
  --verde-suave: #f3fdf6;
  --blanco: #ffffff;
  --gris-900: #111827;
  --gris-texto: #374151;
  --gris-suave: #6b7280;
  --gris-tenue: #9ca3af;
  --gris-borde: #e6e9ee;
  --gris-fondo: #f6f8fa;
  --rojo: #dc2626;
  --rojo-suave: #fee2e2;
  --amarillo: #b45309;
  --amarillo-suave: #fef3c7;
  --gradiente-verde: linear-gradient(135deg, #16a34a 0%, #0d9f5f 55%, #059669 100%);
  --sombra-xs: 0 1px 2px rgba(16, 24, 40, 0.05);
  --sombra: 0 1px 3px rgba(16, 24, 40, 0.06), 0 4px 12px rgba(16, 24, 40, 0.04);
  --sombra-md: 0 6px 20px rgba(16, 24, 40, 0.07);
  --sombra-lg: 0 20px 40px -12px rgba(22, 163, 74, 0.18);
  --anillo-foco: 0 0 0 4px rgba(22, 163, 74, 0.14);
  --radio-sm: 8px;
  --radio: 14px;
  --radio-lg: 20px;
  --transicion: all .18s cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--gris-fondo);
  background-image:
    radial-gradient(circle at 100% 0%, rgba(22, 163, 74, 0.05), transparent 45%),
    radial-gradient(circle at 0% 20%, rgba(22, 163, 74, 0.04), transparent 40%);
  background-attachment: fixed;
  color: var(--gris-texto);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: var(--verde-primario); }
a:hover { color: var(--verde-oscuro); }

::selection { background: var(--verde-claro); color: var(--verde-oscuro); }

/* ---------- Topbar Navigation ---------- */
.app-wrapper { min-height: 100vh; }

.topbar {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--gris-borde);
  padding: 0 28px;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  height: 68px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--sombra-xs);
}

.topbar-left {
  display: flex;
  align-items: stretch;
  gap: 4px;
}

.topbar .logo {
  display: flex;
  align-items: center;
  padding-right: 22px;
  margin-right: 10px;
  border-right: 1px solid var(--gris-borde);
}

.topbar .logo img {
  height: 32px;
  width: auto;
  display: block;
}

.topbar-nav {
  display: flex;
  align-items: stretch;
  gap: 2px;
}

.topbar-nav a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 16px;
  color: var(--gris-suave);
  font-size: 13.5px;
  font-weight: 600;
  border-bottom: none;
  transition: var(--transicion);
  text-decoration: none;
  white-space: nowrap;
  border-radius: 10px;
  margin: 10px 0;
}

.topbar-nav a .nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 14px;
  opacity: .85;
}

.topbar-nav a:hover {
  color: var(--verde-oscuro);
  background: var(--verde-suave);
}

.topbar-nav a.activo {
  color: var(--blanco);
  background: var(--gradiente-verde);
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.28);
}

.topbar-nav a.activo .nav-icon { opacity: 1; }

/* ---------- WhatsApp Buttons ---------- */
.topbar-whatsapp {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: 8px;
  padding-right: 10px;
  border-right: 1px solid var(--gris-borde);
  flex-shrink: 0;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 10px;
  background: #25D366;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transicion);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

.btn-whatsapp:hover {
  background: #128C7E;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:active {
  transform: scale(0.95);
}

.btn-whatsapp i {
  font-size: 17px;
  flex-shrink: 0;
}

/* ---------- User Chip (right side of topbar) ---------- */
.usuario-chip {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.usuario-chip .avatar {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--gradiente-verde);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 4px 10px rgba(22, 163, 74, 0.25);
}

.usuario-chip .info {
  font-size: 12.5px;
  line-height: 1.25;
  text-align: right;
}

.usuario-chip .info strong {
  display: block;
  font-size: 13.5px;
  color: var(--gris-900);
}

.usuario-chip .info span {
  color: var(--gris-suave);
}

.btn-logout {
  padding: 8px 15px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  background: var(--rojo-suave);
  color: var(--rojo);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transicion);
}

.btn-logout:hover {
  background: var(--rojo);
  color: var(--blanco);
  transform: translateY(-1px);
}

.btn-change-password {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--verde-claro);
  color: var(--verde-oscuro);
  border: none;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transicion);
}

.btn-change-password:hover {
  background: var(--verde-primario);
  color: var(--blanco);
  transform: translateY(-1px);
}

.btn-change-password:active {
  transform: scale(0.94);
}

.main-content { min-width: 0; }

.contenido {
  padding: 32px;
  max-width: 1240px;
  margin: 0 auto;
}

/* ---------- Login ---------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 15% 15%, rgba(34, 197, 94, 0.16), transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(15, 122, 55, 0.14), transparent 45%),
    var(--gris-fondo);
  padding: 20px;
}

.login-card {
  background: var(--blanco);
  border-radius: var(--radio-lg);
  border: 1px solid var(--gris-borde);
  box-shadow: var(--sombra-lg);
  padding: 44px 38px;
  width: 100%;
  max-width: 390px;
  text-align: center;
}

.login-card .icono {
  width: 60px;
  height: 60px;
  margin: 0 auto 18px;
  background: var(--gradiente-verde);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 25px;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(22, 163, 74, 0.3);
}

.login-card h2 {
  margin: 0 0 4px;
  font-size: 21px;
  color: var(--gris-900);
  letter-spacing: -0.01em;
}

.login-card p.subtitulo {
  color: var(--gris-suave);
  margin: 0 0 30px;
  font-size: 13px;
}

/* ---------- Formularios ---------- */
.form-group {
  margin-bottom: 18px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--gris-texto);
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gris-borde);
  border-radius: var(--radio-sm);
  font-size: 14px;
  transition: var(--transicion);
  background: var(--blanco);
  color: var(--gris-texto);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--verde-primario);
  box-shadow: var(--anillo-foco);
}

select.form-control {
  cursor: pointer;
}

textarea.form-control {
  resize: vertical;
  min-height: 90px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-group {
  flex: 1;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radio-sm);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transicion);
  text-decoration: none;
  letter-spacing: -0.005em;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--gradiente-verde);
  color: white;
  width: 100%;
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.25);
}

.btn-primary:hover {
  color: white;
  box-shadow: 0 6px 18px rgba(22, 163, 74, 0.35);
  transform: translateY(-1px);
}

.btn-secundario {
  background: var(--verde-claro);
  color: var(--verde-oscuro);
}

.btn-secundario:hover {
  background: #bbf7d0;
  transform: translateY(-1px);
}

.btn-outline {
  background: var(--blanco);
  border: 1.5px solid var(--gris-borde);
  color: var(--gris-texto);
}

.btn-outline:hover {
  border-color: var(--verde-primario);
  color: var(--verde-oscuro);
  background: var(--verde-suave);
}

.btn-peligro {
  background: var(--rojo-suave);
  color: var(--rojo);
}

.btn-peligro:hover {
  background: var(--rojo);
  color: white;
  transform: translateY(-1px);
}

.btn-sm {
  padding: 7px 13px;
  font-size: 13px;
}

/* ---------- Tarjetas / Cards ---------- */
.card {
  background: var(--blanco);
  border-radius: var(--radio);
  border: 1px solid var(--gris-borde);
  box-shadow: var(--sombra);
  padding: 24px;
  margin-bottom: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.card-header h2 {
  font-size: 17px;
  margin: 0;
  font-weight: 700;
  color: var(--gris-900);
  letter-spacing: -0.01em;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 26px;
}

.stat-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  padding: 22px;
  box-shadow: var(--sombra);
  transition: var(--transicion);
}

.stat-card:hover {
  box-shadow: var(--sombra-md);
  transform: translateY(-3px);
  border-color: #d1fae5;
}

.stat-card .valor {
  font-size: 28px;
  font-weight: 800;
  color: var(--gris-900);
  letter-spacing: -0.02em;
}

.stat-card .etiqueta {
  font-size: 13px;
  color: var(--gris-suave);
  margin-top: 4px;
  font-weight: 500;
}

.stat-card .icono {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradiente-verde);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
  box-shadow: 0 4px 10px rgba(22, 163, 74, 0.25);
}

/* ---------- Tablas ---------- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radio-sm);
}

table.tabla {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table.tabla th {
  text-align: left;
  padding: 13px 14px;
  background: var(--gris-fondo);
  color: var(--gris-suave);
  font-weight: 700;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 1px solid var(--gris-borde);
}

table.tabla th:first-child { border-radius: 10px 0 0 0; }
table.tabla th:last-child { border-radius: 0 10px 0 0; }

table.tabla td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--gris-borde);
  vertical-align: middle;
}

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

table.tabla tr:hover td {
  background: var(--verde-suave);
}

table.tabla code {
  background: var(--gris-fondo);
  padding: 3px 7px;
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--gris-900);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 11px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
}

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

.badge-verde {
  background: var(--verde-claro);
  color: var(--verde-oscuro);
}

.badge-rojo {
  background: var(--rojo-suave);
  color: var(--rojo);
}

.badge-gris {
  background: #f1f2f4;
  color: var(--gris-suave);
}

.badge-amarillo {
  background: var(--amarillo-suave);
  color: var(--amarillo);
}

.acciones {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ---------- Alertas ---------- */
.alert {
  padding: 13px 16px;
  border-radius: var(--radio-sm);
  font-size: 14px;
  margin-bottom: 18px;
  font-weight: 500;
  border: 1px solid transparent;
}

.alert-success {
  background: var(--verde-claro);
  color: var(--verde-oscuro);
  border-color: #bbf7d0;
}

.alert-danger {
  background: var(--rojo-suave);
  color: var(--rojo);
  border-color: #fecaca;
}

.alert-warning {
  background: var(--amarillo-suave);
  color: var(--amarillo);
  border-color: #fde68a;
}

/* ---------- Utilidades ---------- */
.texto-suave {
  color: var(--gris-suave);
}

.text-right {
  text-align: right;
}

.mb-0 {
  margin-bottom: 0;
}

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

.gap-8 {
  gap: 8px;
}

.paginacion {
  display: flex;
  gap: 6px;
  margin-top: 18px;
  justify-content: flex-end;
}

.paginacion a,
.paginacion span {
  padding: 7px 13px;
  border-radius: var(--radio-sm);
  font-size: 13px;
  border: 1.5px solid var(--gris-borde);
  color: var(--gris-texto);
  transition: var(--transicion);
}

.paginacion a:hover {
  border-color: var(--verde-primario);
  color: var(--verde-oscuro);
  background: var(--verde-suave);
}

.paginacion .activo {
  background: var(--gradiente-verde);
  color: white;
  border-color: transparent;
  box-shadow: 0 3px 8px rgba(22, 163, 74, 0.25);
}

/* ---------- Modal simple ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(3px);
  align-items: center;
  justify-content: center;
  z-index: 100;
}

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

.modal-box {
  background: var(--blanco);
  border-radius: var(--radio-lg);
  padding: 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--sombra-lg);
  animation: modal-in .18s ease-out;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .topbar {
    padding: 0 16px;
    height: 58px;
  }

  .topbar .logo {
    padding-right: 12px;
    margin-right: 4px;
  }

  .topbar .logo img {
    height: 26px;
  }

  .topbar-nav a {
    padding: 0 11px;
    font-size: 13px;
    margin: 8px 0;
  }

  .topbar-nav a .nav-icon {
    display: none;
  }

  .topbar-whatsapp {
    margin-right: 4px;
    padding-right: 6px;
    gap: 4px;
  }

  .btn-whatsapp {
    padding: 7px 9px;
    gap: 4px;
  }

  .btn-whatsapp .whatsapp-text {
    font-size: 12px;
  }

  .usuario-chip .info {
    display: none;
  }

  .contenido {
    padding: 18px;
  }
}

@media (max-width: 640px) {
  .topbar {
    flex-wrap: wrap;
    height: auto;
    padding: 10px 12px;
    gap: 6px;
  }

  .topbar-left {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .topbar .logo {
    border-right: none;
    padding-right: 8px;
  }

  .topbar .logo img {
    height: 24px;
  }

  .topbar-nav {
    flex: 1;
  }

  .topbar-nav a {
    padding: 0 9px;
    font-size: 12px;
    white-space: nowrap;
  }

  .topbar-whatsapp {
    border-right: none;
    margin-right: 0;
    padding-right: 0;
  }

  .btn-whatsapp {
    padding: 6px 8px;
    border-radius: 10px;
    gap: 4px;
  }

  .btn-whatsapp .whatsapp-text {
    font-size: 11px;
  }

  .btn-whatsapp i {
    font-size: 14px;
  }

  .usuario-chip {
    width: 100%;
    justify-content: flex-end;
    border-top: 1px solid var(--gris-borde);
    padding-top: 8px;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .contenido {
    padding: 14px;
  }

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