/* ============================================================
   login.css — Estilos para la página de inicio de sesión
   ============================================================ */

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

:root {
  --verde-wa:   #25D366;
  --verde-dark: #075E54;
  --verde-mid:  #128C7E;
  --blanco:     #FFFFFF;
  --gris-bg:    #f0f4f8;
  --texto:      #1a1a2e;
  --texto-soft: #667080;
  --borde:      #dde4ee;
  --error-bg:   #fef3f2;
  --error-txt:  #c0392b;
  --error-brd:  #f5c6c3;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--gris-bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Fondo con degradado verde ── */
.login-bg {
  width: 100%;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--verde-dark) 0%, var(--verde-mid) 50%, #1a7a6e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

/* ── Tarjeta central ── */
.login-card {
  background: var(--blanco);
  border-radius: 20px;
  padding: 2.8rem 2.4rem 2.2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  text-align: center;
}

/* ── Logo ── */
.login-logo {
  margin-bottom: 1.2rem;
}

.logo-circle {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--verde-wa), var(--verde-mid));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
}

.logo-circle .fab {
  font-size: 2rem;
  color: var(--blanco);
}

/* ── Títulos ── */
.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--texto);
  margin-bottom: 0.3rem;
}

.login-subtitle {
  font-size: 0.85rem;
  color: var(--texto-soft);
  margin-bottom: 1.6rem;
}

/* ── Error ── */
.login-error {
  background: var(--error-bg);
  border: 1px solid var(--error-brd);
  color: var(--error-txt);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  text-align: left;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Formulario ── */
.login-form {
  text-align: left;
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--texto-soft);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group label i {
  margin-right: 0.3rem;
  color: var(--verde-mid);
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--borde);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--texto);
  background: #fafbfc;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--verde-wa);
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
  background: var(--blanco);
}

.form-group input::placeholder {
  color: #b0bac8;
}

/* ── Campo password con ojo ── */
.input-password {
  position: relative;
}

.input-password input {
  padding-right: 3rem;
}

.toggle-password {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--texto-soft);
  font-size: 0.95rem;
  padding: 0.25rem;
  transition: color 0.2s;
}

.toggle-password:hover {
  color: var(--verde-mid);
}

/* ── Botón Entrar ── */
.btn-login {
  width: 100%;
  padding: 0.9rem;
  background: linear-gradient(135deg, var(--verde-wa), var(--verde-mid));
  color: var(--blanco);
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-login:hover {
  opacity: 0.92;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-login:active {
  transform: scale(0.98);
}

/* ── Footer ── */
.login-footer {
  margin-top: 1.8rem;
  font-size: 0.78rem;
  color: #b0bac8;
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .login-card {
    padding: 2rem 1.4rem 1.6rem;
    border-radius: 16px;
  }
  .login-title {
    font-size: 1.3rem;
  }
}