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

:root {
  /* Paleta rojo / blanco / gris / negro */
  --rojo: #e60021;
  --rojo-hover: #ff1a3d;
  --rojo-suave: rgba(230, 0, 33, 0.1);
  --rojo-sombra: rgba(230, 0, 33, 0.3);
  
  --blanco: #ffffff;
  --gris: #f5f5f5;
  --gris-claro: #e8e8e8;
  --gris-medio: #b0b0b0;
  --gris-oscuro: #5a5a5a;
  --negro: #1a1a1a;
  --negro-suave: #2b2b2b;
  
  --verde: #27ae60;
  
  --sombra: 0 10px 30px rgba(26, 26, 26, 0.08);
  --sombra-hover: 0 20px 40px rgba(26, 26, 26, 0.15);
  --sombra-rojo: 0 10px 25px rgba(230, 0, 33, 0.25);
  
  --transicion: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--gris);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 20px;
  color: var(--negro-suave);
}

/* ============ TOP BAR ============ */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(90deg, var(--negro) 0%, var(--negro-suave) 50%, var(--negro) 100%);
  color: white;
  text-align: center;
  padding: 10px 0;
  font-weight: 600;
  font-size: 0.8rem;
  overflow: hidden;
  white-space: nowrap;
  z-index: 10;
  letter-spacing: 0.5px;
}

.top-bar span {
  display: inline-block;
  animation: scrollText 40s linear infinite;
}

@keyframes scrollText {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* ============ LOGIN CONTAINER ============ */
.login-container {
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.login-card {
  background: var(--blanco);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--sombra-hover);
  animation: fadeInUp 0.5s ease;
  border: 1px solid var(--gris-claro);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ HEADER ============ */
.login-header {
  background: linear-gradient(135deg, var(--negro-suave) 0%, var(--negro) 100%);
  padding: 32px 30px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.login-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(230, 0, 33, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

/* Logo más chico y centrado */
.login-header .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  width: 100%;
}

.login-header img,
.login-header .logo img {
  width: 110px;              /* ⬅️ Antes 180px, ahora 110px */
  max-width: 110px;          /* ⬅️ Fuerza el ancho máximo */
  height: auto;
  max-height: 60px;
  object-fit: contain;
  display: block;
  margin: 0 auto;            /* ⬅️ Centrado horizontal */
  position: relative;
  z-index: 1;
}

.login-header h2 {
  color: white;
  font-size: 1.35rem;
  margin: 0;
  position: relative;
  z-index: 1;
  font-weight: 700;
}

.login-header h2 .highlight {
  color: var(--rojo);
}

.login-header p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.82rem;
  margin-top: 6px;
  position: relative;
  z-index: 1;
  letter-spacing: 0.3px;
}

/* ============ BODY ============ */
.login-body {
  padding: 32px 30px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--negro-suave);
  margin-bottom: 8px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.form-group label i {
  color: var(--rojo);
  width: 20px;
  font-size: 0.8rem;
}

.input-group {
  position: relative;
}

.input-group input {
  width: 100%;
  padding: 14px 45px 14px 15px;
  border: 2px solid var(--gris-claro);
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transicion);
  background: var(--gris);
  color: var(--negro-suave);
}

.input-group input::placeholder {
  color: var(--gris-medio);
}

.input-group input:focus {
  outline: none;
  border-color: var(--rojo);
  box-shadow: 0 0 0 4px var(--rojo-suave);
  background: var(--blanco);
}

.input-group .toggle-password {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--gris-oscuro);
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transicion);
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.input-group .toggle-password:hover {
  color: var(--rojo);
  background: var(--rojo-suave);
}

/* ============ BOTÓN ============ */
.btn-login {
  width: 100%;
  background: linear-gradient(135deg, var(--rojo) 0%, var(--rojo-hover) 100%);
  color: white;
  border: none;
  padding: 15px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transicion);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  letter-spacing: 0.5px;
  box-shadow: 0 6px 18px var(--rojo-sombra);
  text-transform: uppercase;
}

.btn-login:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px var(--rojo-sombra);
  background: linear-gradient(135deg, var(--rojo-hover) 0%, var(--rojo) 100%);
}

.btn-login:active:not(:disabled) {
  transform: translateY(0);
}

.btn-login:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* ============ MENSAJES ============ */
.error-message {
  background: var(--rojo-suave);
  color: var(--rojo);
  padding: 12px 15px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-bottom: 20px;
  display: none;
  align-items: center;
  gap: 10px;
  border-left: 4px solid var(--rojo);
  font-weight: 500;
}

.error-message.show {
  display: flex;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.success-message {
  background: rgba(39, 174, 96, 0.1);
  color: var(--verde);
  padding: 12px 15px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-bottom: 20px;
  display: none;
  align-items: center;
  gap: 10px;
  border-left: 4px solid var(--verde);
  font-weight: 500;
}

.success-message.show {
  display: flex;
}

/* ============ FOOTER ============ */
.login-footer {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--gris-claro);
  margin-top: 8px;
}

.login-footer a {
  color: var(--gris-oscuro);
  text-decoration: none;
  font-size: 0.82rem;
  transition: var(--transicion);
  font-weight: 500;
}

.login-footer a:hover {
  color: var(--rojo);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 576px) {
  body {
    padding: 15px;
  }

  .login-body {
    padding: 24px 22px;
  }

  .login-header {
    padding: 24px 22px 20px;
  }

  .login-header img,
  .login-header .logo img {
    width: 90px;         /* ⬅️ Aún más chico en mobile */
    max-width: 90px;
    max-height: 50px;
  }

  .login-header h2 {
    font-size: 1.15rem;
  }

  .top-bar {
    font-size: 0.7rem;
    padding: 8px 0;
  }
}