:root {
  --primary-blue: #003A78;
  --primary-blue-light: #1a5a9e;
  --primary-blue-dark: #002654;
  --primary-green: #00A54F;
  --primary-green-light: #2bc46c;
  --primary-green-dark: #008a42;
  --light-gray: #F5F7FA;
  --mid-gray: #E8ECF1;
  --dark-gray: #333333;
  --text-secondary: #666666;
  --error-red: #D13438;
  --success-green: #0F9D58;
  --warning-orange: #F4B400;
  --box-shadow-sm: 0 2px 8px rgba(0, 58, 120, 0.08);
  --box-shadow-md: 0 10px 30px rgba(0, 58, 120, 0.15);
  --box-shadow-lg: 0 15px 40px rgba(0, 58, 120, 0.25);
  --box-shadow-xl: 0 20px 50px rgba(0, 58, 120, 0.35);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  --border-radius-sm: 8px;
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
}

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

body {
  font-family: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #003A78 0%, #00588a 50%, #00A54F 100%);
  background-attachment: fixed;
  padding: 20px;
  padding-top: 80px; /* Espacio para el header fijo */
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  color: var(--dark-gray);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

/* Efecto de partículas decorativas en el fondo */
body::before,
body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  opacity: 0.1;
  z-index: 0;
  pointer-events: none;
}

body::before {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary-green) 0%, transparent 70%);
  top: -300px;
  right: -300px;
  animation: float 20s ease-in-out infinite;
}

body::after {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--primary-blue-light) 0%, transparent 70%);
  bottom: -200px;
  left: -200px;
  animation: float 15s ease-in-out infinite reverse;
}

/* ============================================
   🔐 HEADER DE USUARIO LOGUEADO
   ============================================ */

#userHeader {
  display: none; /* Se muestra con JS cuando hay sesión */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
  color: white;
  padding: 12px 30px;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  z-index: 1000;
}

#userHeader .header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

#userHeader .header-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
}

#userHeader .header-user i {
  font-size: 24px;
  opacity: 0.9;
}

#userHeader .header-divider {
  width: 2px;
  height: 24px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}

#userHeader .header-session {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  opacity: 0.85;
}

#userHeader .header-session i {
  font-size: 14px;
}

#userHeader .btn-logout {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
}

#userHeader .btn-logout:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#userHeader .btn-logout:active {
  transform: translateY(0);
}

#userHeader .btn-logout i {
  font-size: 16px;
}

/* Contenedor principal */
.container {
  background-color: #fff;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--box-shadow-md);
  padding: 45px 40px;
  width: 100%;
  max-width: 520px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
  backdrop-filter: blur(10px);
}

/* Borde superior degradado */
.container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, 
    var(--primary-blue) 0%, 
    var(--primary-green) 50%, 
    var(--primary-blue) 100%);
  background-size: 200% 100%;
  animation: gradientShift 3s ease infinite;
}

/* Efecto hover mejorado */
.container:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-xl);
}

/* Decoración esquinas */
.container::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, transparent 50%, rgba(0, 165, 79, 0.03) 50%);
  pointer-events: none;
}

/* Logo section */
.logo {
  margin-bottom: 35px;
  position: relative;
  padding: 15px 0;
}

.logo::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(to right, var(--primary-blue), var(--primary-green));
  border-radius: 3px;
  opacity: 0.4;
}

.logo img {
  width: 170px;
  margin-bottom: 10px;
  transition: var(--transition);
  filter: drop-shadow(0 4px 12px rgba(0, 58, 120, 0.15));
}

.logo:hover img {
  transform: scale(1.08) rotate(-1deg);
  filter: drop-shadow(0 6px 16px rgba(0, 58, 120, 0.25));
}

/* Header */
.form-header {
  margin-bottom: 30px;
}

.form-header h1 {
  font-size: 26px;
  color: var(--primary-blue);
  margin-bottom: 10px;
  font-weight: 700;
  letter-spacing: -0.5px;
  position: relative;
  display: inline-block;
}

.form-header h1::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(to right, var(--primary-blue), var(--primary-green));
  transition: var(--transition);
}

.form-header:hover h1::after {
  width: 100%;
}

.form-header p {
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 400;
}

/* Form groups */
.form-group {
  margin-bottom: 28px;
  text-align: left;
  position: relative;
}

label {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  font-weight: 600;
  color: var(--primary-blue);
  font-size: 15px;
  letter-spacing: -0.2px;
  transition: var(--transition-fast);
}

label i {
  margin-right: 10px;
  font-size: 18px;
  opacity: 0.85;
}

/* Inputs y selects base */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="password"],
.form-group select {
  width: 100%;
  padding: 17px 18px 17px 48px;
  border: 2.5px solid #e1e5eb;
  border-radius: var(--border-radius);
  font-size: 16px;
  transition: var(--transition-fast);
  background-color: #f9fbfd;
  font-family: inherit;
  appearance: none;
  -webkit-appearance: none;
  font-weight: 500;
  color: var(--dark-gray);
}

/* Estado focus mejorado */
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="number"]:focus,
.form-group input[type="date"]:focus,
.form-group input[type="password"]:focus,
.form-group select:focus {
  border-color: var(--primary-green);
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 165, 79, 0.15);
  background-color: #fff;
  transform: translateY(-2px);
}

/* Placeholder mejorado */
.form-group input::placeholder {
  color: #a0a6b5;
  font-weight: 400;
  opacity: 0.8;
}

/* Ícono dentro del campo */
.input-icon {
  position: absolute;
  left: 17px;
  top: 44px;
  color: var(--primary-blue);
  font-size: 20px;
  z-index: 2;
  opacity: 0.75;
  transition: var(--transition-fast);
  pointer-events: none;
}

.form-group:focus-within .input-icon {
  color: var(--primary-green);
  opacity: 1;
  transform: scale(1.1);
}

.form-group:focus-within label {
  color: var(--primary-green);
}

/* Select personalizado */
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='%23003A78' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: calc(100% - 17px) center;
  background-size: 18px;
  cursor: pointer;
  padding-right: 45px;
}

.form-group select:hover {
  border-color: #c5cdd7;
}

/* Input con icono */
.input-with-icon {
  position: relative;
}

.input-with-icon .input-icon {
  top: 50%;
  transform: translateY(2px);
}

/* DNI styling */
#dni {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
  font-weight: 600;
}

/* Estilos específicos para input date */
.form-group input[type="date"] {
  cursor: pointer;
  position: relative;
}

/* Estilo del calendario en Chrome/Edge */
.form-group input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  padding: 5px;
  margin-right: -5px;
  border-radius: 4px;
  background-color: transparent;
  transition: var(--transition-fast);
  opacity: 0.7;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator:hover {
  background-color: rgba(0, 165, 79, 0.1);
  opacity: 1;
}

/* Placeholder para date cuando está vacío */
.form-group input[type="date"]:not(:focus):invalid {
  color: #a0a6b5;
}

/* Row de fechas para Mora */
.date-row {
  display: flex;
  gap: 15px;
}

.date-row .form-group {
  flex: 1;
  margin-bottom: 24px;
}

/* Botón principal */
button[type="submit"],
#submitBtn {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
  color: #fff;
  border: none;
  padding: 18px;
  border-radius: var(--border-radius);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  width: 100%;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(0, 58, 120, 0.35);
  position: relative;
  overflow: hidden;
  z-index: 1;
  margin-top: 15px;
  text-transform: uppercase;
  font-size: 15px;
  font-family: inherit;
}

/* Efecto hover del botón */
button[type="submit"]::before,
#submitBtn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-blue-dark) 0%, var(--primary-green-dark) 100%);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

button[type="submit"]::after,
#submitBtn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

button[type="submit"]:hover::before,
#submitBtn:hover::before {
  opacity: 1;
}

button[type="submit"]:hover::after,
#submitBtn:hover::after {
  width: 300px;
  height: 300px;
}

button[type="submit"]:hover,
#submitBtn:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 58, 120, 0.5);
}

button[type="submit"]:active,
#submitBtn:active {
  transform: translateY(-1px);
  box-shadow: 0 5px 15px rgba(0, 58, 120, 0.4);
}

button[type="submit"] i,
#submitBtn i {
  margin-left: 10px;
  transition: var(--transition-fast);
}

button[type="submit"]:hover i,
#submitBtn:hover i {
  transform: translateX(5px);
}

button[type="submit"]:disabled,
#submitBtn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: 0 4px 15px rgba(0, 58, 120, 0.2);
}

button[type="submit"]:disabled:hover,
#submitBtn:disabled:hover {
  box-shadow: 0 4px 15px rgba(0, 58, 120, 0.2);
}

button[type="submit"]:disabled::before,
button[type="submit"]:disabled::after,
#submitBtn:disabled::before,
#submitBtn:disabled::after {
  display: none;
}

/* Mensajes de estado */
.message {
  margin-top: 25px;
  padding: 18px 20px;
  border-radius: var(--border-radius);
  display: none;
  animation: slideInUp 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  text-align: left;
  align-items: center;
  font-weight: 500;
  box-shadow: var(--box-shadow-sm);
}

.message i {
  margin-right: 14px;
  font-size: 24px;
  flex-shrink: 0;
}

.success {
  background: linear-gradient(135deg, #E6F4EA 0%, #f0f9f3 100%);
  color: var(--success-green);
  border-left: 5px solid var(--success-green);
}

.error {
  background: linear-gradient(135deg, #FEF0F1 0%, #fef5f6 100%);
  color: var(--error-red);
  border-left: 5px solid var(--error-red);
}

/* Loading spinner */
.loading {
  display: none;
  margin-top: 30px;
  color: var(--primary-blue);
  font-weight: 600;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.spinner {
  border: 5px solid rgba(0, 58, 120, 0.1);
  border-left: 5px solid var(--primary-blue);
  border-top: 5px solid var(--primary-green);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
}

/* Sección de ayuda */
.help-section {
  margin-top: 35px;
  padding: 24px;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border-radius: var(--border-radius);
  border-left: 5px solid var(--warning-orange);
  text-align: left;
  transition: var(--transition);
  box-shadow: var(--box-shadow-sm);
}

.help-section:hover {
  transform: translateY(-3px);
  box-shadow: var(--box-shadow-md);
  border-left-width: 6px;
}

.help-section h3 {
  display: flex;
  align-items: center;
  color: var(--dark-gray);
  margin-bottom: 12px;
  font-size: 17px;
  font-weight: 700;
}

.help-section h3 i {
  margin-right: 12px;
  color: var(--warning-orange);
  font-size: 22px;
}

.help-section p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 12px;
  line-height: 1.7;
}

.help-section a {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 700;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(0, 58, 120, 0.05);
  margin-top: 8px;
}

.help-section a i {
  margin-right: 8px;
  transition: var(--transition-fast);
}

.help-section a:hover {
  color: var(--primary-green);
  background-color: rgba(0, 165, 79, 0.1);
  transform: translateX(5px);
}

.help-section a:hover i {
  transform: scale(1.2);
}

/* Footer */
.footer {
  margin-top: 35px;
  font-size: 13px;
  color: #999;
  padding-top: 25px;
  border-top: 2px solid #f0f0f0;
  font-weight: 500;
}

/* Campos de Mora */
#moraFields,
#dniFields {
  transition: var(--transition-slow);
  overflow: hidden;
}

#moraFields .form-group {
  margin-bottom: 24px;
  animation: fadeInDown 0.4s ease;
}

/* Animaciones */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(30px, -30px) rotate(5deg);
  }
  66% {
    transform: translate(-20px, 20px) rotate(-5deg);
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Responsive */
@media (max-width: 768px) {
  body {
    padding-top: 100px;
  }

  #userHeader {
    flex-direction: column !important;
    gap: 12px;
    padding: 12px 20px !important;
    text-align: center;
  }

  #userHeader .header-left {
    flex-direction: column;
    gap: 10px;
  }

  #userHeader .header-divider {
    display: none;
  }

  #userHeader .btn-logout {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  body {
    padding: 15px;
    padding-top: 120px;
  }

  .container {
    padding: 35px 28px;
    border-radius: var(--border-radius-lg);
  }

  .logo img {
    width: 140px;
  }

  .form-header h1 {
    font-size: 23px;
  }

  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="number"],
  .form-group input[type="date"],
  .form-group input[type="password"],
  .form-group select {
    padding: 15px 16px 15px 44px;
    font-size: 15px;
  }

  .input-icon {
    font-size: 18px;
    top: 42px;
    left: 15px;
  }

  button[type="submit"],
  #submitBtn {
    padding: 16px;
    font-size: 14px;
  }

  .help-section {
    padding: 20px;
  }

  .help-section h3 {
    font-size: 16px;
  }

  body::before,
  body::after {
    opacity: 0.05;
  }

  /* Stack fechas en móvil */
  .date-row {
    flex-direction: column;
    gap: 0;
  }
}

@media (max-width: 380px) {
  .container {
    padding: 28px 22px;
  }

  .form-header h1 {
    font-size: 21px;
  }

  .logo img {
    width: 120px;
  }
}

/* Ocultar flechas de number input */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

/* Mejoras de accesibilidad */
*:focus-visible {
  outline: 3px solid rgba(0, 165, 79, 0.4);
  outline-offset: 2px;
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Mejoras de rendimiento */
.container,
button,
.form-group input,
.form-group select,
.help-section {
  will-change: transform;
}

/* Evitar cambios de layout */
.loading,
.message {
  min-height: 60px;
}

/* Mensaje de advertencia/mantenimiento */
.message.warning {
  background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
  border-left: 5px solid #ffc107;
  color: #856404;
  margin-bottom: 25px;
  display: flex;
}

.message.warning i {
  color: #ffc107;
}

.message.warning strong {
  display: block;
  font-size: 1.1em;
  margin-bottom: 5px;
}

.message.warning p {
  margin: 0;
  font-size: 0.95em;
}