/* =========================================
   1. VARIABLES Y RESET (Tu base)
   ========================================= */
:root {
  --brown-a: #8a633b;
  --brown-b: #765433;
  --cream: #efe3cf;
  --nav-bg: #d9cfa8;
  --accent: #2A9D8F;
  --card-bg: #ffffff;
  --card-border: #bfa88a;
  --input-bg: #f8f8f8;
  --button-green: #4db8a8;
  --button-gray: #8a8686;
  --button-update: #8a8e8c;
  --table-bg: #8a8888;
  --text-dark: #333333; /* Agregado para títulos oscuros */
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--cream);
  color: #1f1f1f;
  min-height: 100vh;
  display: flex;           /* Agregado para mejor control vertical */
  flex-direction: column;
}

/* =========================================
   2. TOPBAR (Barra superior)
   ========================================= */
.topbar {
  background: linear-gradient(180deg, var(--brown-a), var(--brown-b));
  color: #fff;
  display: grid;
  grid-template-columns: auto 1fr auto; /* Izq - Centro - Der */
  align-items: center;
  padding: 10px 16px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, .25);
  position: relative; /* Para asegurar z-index si es necesario */
}

.topbar__left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #eee;
  color: #5a3c7a;
  display: grid;
  place-items: center;
  font-size: 16px; /* Ajustado ligeramente */
  border: 2px solid rgba(0, 0, 0, .08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .9);
}

.login-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: #fff;
  border-radius: 10px;
  color: #1f1f1f;
  font-weight: 800;
  text-decoration: underline;
  border: 1px solid rgba(0, 0, 0, .08);
  box-shadow: 0 2px 0 rgba(0, 0, 0, .10), inset 0 1px 0 rgba(255, 255, 255, .9);
  font-size: 14px;
  cursor: pointer;
}

.title {
  font-size: 28px; /* Ajustado para móviles pequeños */
  font-weight: 800;
  text-align: center;
  letter-spacing: .06em;
  margin: 0;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

/* =========================================
   3. NAVEGACIÓN (Nav)
   ========================================= */
.nav {
  background: var(--nav-bg);
  display: flex;
  justify-content: center;
  padding: 10px 14px;
}

.nav__wrap {
  display: flex;
  justify-content: center;
  gap: 30px; /* Reducido de 50px para que quepan mejor */
  flex-wrap: wrap;
}

.pill {
  background: #fff;
  border-radius: 20px;
  padding: 8px 16px;
  text-decoration: none;
  color: #555;
  font-weight: 700;
  font-size: 14px;
  transition: background .2s ease, transform .15s ease;
  display: flex;      /* Para alinear icono y texto */
  align-items: center;
  gap: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.pill:hover {
  background: #f3f3f3;
  transform: translateY(-2px);
}

.pill.is-active {
  background: var(--accent);
  color: #fff; /* Mejor contraste si el fondo es oscuro */
}

/* =========================================
   4. TARJETA DE FORMULARIO (Lo que faltaba)
   ========================================= */

.main-container {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 40px 20px;
}

.card {
  background: var(--card-bg);
  width: 100%;
  max-width: 1000px;
  padding: 40px 50px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0,0,0,0.05);
  height: fit-content; /* Se ajusta al contenido */
}

.card-header {
  text-align: center;
  margin-bottom: 40px;
}

.card-header h2 {
  color: var(--brown-b);
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.card-header p {
  color: #666;
  font-size: 16px;
}

/* Grid de dos columnas para el contenido */
.form-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 50px;
  row-gap: 20px;
}

/* Estilo de cada fila (Label a la izquierda, Input a la derecha) */
.input-group {
  display: grid;
  grid-template-columns: 140px 1fr; /* 140px para texto, el resto para input */
  align-items: center;
}

.input-group label {
  font-weight: 700;
  color: #444;
  font-size: 14px;
}

.input-group input {
  background-color: var(--input-bg);
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 14px;
  color: #333;
  outline: none;
  width: 100%;
  transition: border 0.3s;
}

.input-group input:focus {
  border-color: var(--accent);
  background-color: #fff;
  box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.1);
}

/* Botón de registro */
.btn-submit-container {
  display: flex;
  justify-content: flex-end; /* Alineado a la derecha */
  padding-top: 10px;
}

.btn-register {
  background-color: var(--accent);
  color: white;
  border: none;
  padding: 12px 30px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-register:hover {
  background-color: #21867a;
}

/* Link de pie de página */
.form-footer {
  text-align: center;
  margin-top: 40px;
  font-size: 14px;
  color: #555;
}

.form-footer a {
  color: var(--brown-b);
  font-weight: 800;
  text-decoration: underline;
}

/* =========================================
   5. RESPONSIVE (Móviles)
   ========================================= */
@media (max-width: 768px) {
  .topbar {
    grid-template-columns: 1fr; /* Todo en una columna */
    gap: 10px;
    justify-items: center;
  }
  
  .title {
    order: -1; /* Título arriba del todo */
    font-size: 24px;
  }

  .form-content {
    grid-template-columns: 1fr; /* Una sola columna para el formulario */
    gap: 20px;
  }
  
  .input-group {
    grid-template-columns: 1fr; /* Label arriba del input */
    gap: 5px;
  }
  
  .card {
    padding: 20px;
  }
  
  .btn-submit-container {
    justify-content: center;
  }
}