@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@500;600;700;800&display=swap');

:root {
  --color-primary: #2b2b2b;
  --color-primary-hover: #424242;
  --color-primary-glow: rgba(43, 43, 43, 0.25);
  
  --color-accent: #e05326;
  --color-accent-rgb: 224, 83, 38;
  --color-accent-hover: #f97316;
  --color-accent-glow: rgba(var(--color-accent-rgb), 0.25);
  
  /* Gradiente de fondo difuminado (más rojo y oscuro) */
  --color-bg-gradient-start: #b42d19;
  --color-bg-gradient-start-rgb: 180, 45, 25;
  --color-bg-gradient-end: #8e1b0c;
  
  /* NUEVO: Mapeo a tema claro */
  --color-bg-dark: #f8fafc;
  --color-bg-dark-rgb: 248, 250, 252;
  --color-card-bg: rgba(255, 255, 255, 0.55);
  --color-card-border: rgba(15, 23, 42, 0.08);
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-input-bg: rgba(241, 245, 249, 0.55);
  --color-input-border: rgba(15, 23, 42, 0.12);
  
  --font-family-title: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-family-body: 'Inter', system-ui, -apple-system, sans-serif;
  --background-image-url: url('background.php');
}

body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: var(--font-family-body);
  background-color: var(--color-bg-dark);
  color: var(--color-text);
  overflow-x: hidden;
}

/* --- Layout split screen modern --- */
.login-row {
  display: flex;
  min-height: 100vh;
  margin: 0;
  background: linear-gradient(to right, rgba(var(--color-bg-gradient-start-rgb), 0) 0%, rgba(var(--color-bg-gradient-start-rgb), 0) 55%, rgba(var(--color-bg-gradient-start-rgb), 1) 78%, var(--color-bg-gradient-end) 100%), var(--background-image-url) no-repeat left center;
  background-size: 100% 100%, 90% auto;
  position: relative;
  overflow: hidden;
  width: 100%;
}

/* Fondo decorativo abstracto con luces */
.login-row::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(224, 83, 38, 0.03) 0%, rgba(224, 83, 38, 0) 70%);
  bottom: -100px;
  right: -100px;
  z-index: 1;
  pointer-events: none;
}

.login-row::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(15, 23, 42, 0.02) 0%, rgba(15, 23, 42, 0) 70%);
  top: -200px;
  left: 40%;
  z-index: 1;
  pointer-events: none;
}

/* --- Columna imagen (izquierda) --- */
.imagen {
  flex: 1.2;
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: flex-start; /* Alinear arriba */
  justify-content: flex-start; /* Alinear a la izquierda */
  padding: 40px;
  z-index: 2;
  box-sizing: border-box;
  background: transparent;
}

/* Tarjeta overlay en la imagen (con glassmorphic claro y transparente) */
.visual-brand-card {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  padding: 30px;
  max-width: 580px;
  box-shadow: 
    0 15px 35px rgba(15, 23, 42, 0.05),
    inset 0 1px 1px rgba(255, 255, 255, 0.4);
  animation: fadeInUp 1s ease-out;
}

.visual-brand-card p.tagline {
  font-family: var(--font-family-title);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  color: #0f172a;
  margin: 0 0 12px 0;
}

.visual-brand-card p.description {
  font-family: var(--font-family-body);
  font-size: 0.95rem;
  line-height: 1.55;
  color: #334155;
  margin: 0;
}

/* --- Columna login (derecha) --- */
.main-section {
  flex: 0.8;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  z-index: 3;
  box-sizing: border-box;
}

.modal-dialog {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.modal-content {
  background-color: var(--color-card-bg) !important;
  backdrop-filter: blur(30px) saturate(140%);
  -webkit-backdrop-filter: blur(30px) saturate(140%);
  border: 1.5px solid rgba(255, 255, 255, 0.6) !important;
  border-radius: 24px !important;
  padding: 45px 35px 35px 35px !important;
  box-shadow: 
    0 30px 60px -15px rgba(15, 23, 42, 0.1), 
    0 0 0 1px rgba(15, 23, 42, 0.02),
    inset 0 1px 1px rgba(255, 255, 255, 0.5) !important;
  position: relative;
  overflow: visible;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  width: 100%;
}

.modal-content:hover {
  box-shadow: 
    0 35px 70px -10px rgba(15, 23, 42, 0.15), 
    0 0 0 1px rgba(15, 23, 42, 0.02),
    inset 0 1px 1px rgba(255, 255, 255, 0.6) !important;
}

/* Nuevo encabezado de tarjeta con logo horizontal */
.login-header {
  margin-bottom: 35px;
  text-align: center;
  animation: fadeInUp 0.8s ease-out;
}

.brand-logo-container {
  display: inline-block;
  margin-bottom: 22px;
  max-width: 100%;
  box-sizing: border-box;
}

.brand-logo-card {
  max-height: 58px; /* A bit bigger, directly on card background */
  width: auto;
  display: block;
  object-fit: contain;
  margin: 0 auto;
  transition: transform 0.3s ease;
}

.brand-logo-card:hover {
  transform: scale(1.03);
}

.welcome-title {
  font-family: var(--font-family-title);
  font-size: 1.65rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 4px 0;
  letter-spacing: -0.5px;
  text-shadow: none;
}

.welcome-subtitle {
  font-family: var(--font-family-body);
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* --- Campos de Formulario --- */
.form-group {
  margin-bottom: 24px;
  position: relative;
  text-align: left;
}

.form-group input {
  width: 100% !important;
  height: 52px !important;
  font-family: var(--font-family-body) !important;
  font-size: 15px !important;
  color: var(--color-text) !important;
  background-color: var(--color-input-bg) !important;
  border: 1px solid var(--color-input-border) !important;
  border-radius: 12px !important;
  padding: 0 20px !important;
  box-sizing: border-box !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

#user-group input,
#contrasena-group input,
#codigo-group input {
  padding-left: 52px !important;
}

.form-group input:focus {
  border-color: var(--color-accent) !important;
  box-shadow: 0 0 0 4px var(--color-accent-glow) !important;
  background-color: rgba(15, 23, 42, 0.7) !important;
  outline: none !important;
}

/* Iconos de FontAwesome posicionados mediante ::before */
.form-group::before {
  font-family: "Font Awesome 5 Free";
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 17px;
  font-weight: 900;
  color: var(--color-text-muted);
  z-index: 10;
  pointer-events: none;
  transition: color 0.3s ease;
}

.form-group:focus-within::before {
  color: var(--color-accent);
}

#user-group::before { content: "\f007"; }
#contrasena-group::before { content: "\f023"; }
#codigo-group::before { content: "\f0a9"; }

/* Ojo de contraseña */
.password-toggle {
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--color-text-muted);
  z-index: 11;
  transition: color 0.2s ease, transform 0.2s ease;
  padding: 4px;
}

.password-toggle:hover {
  color: var(--color-text);
  transform: translateY(-50%) scale(1.1);
}

/* Enlaces */
.form-group a {
  font-size: 14px;
  color: var(--color-text-muted) !important;
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 500;
  display: inline-block;
  margin-top: 5px;
}

.form-group a:hover {
  color: var(--color-accent) !important;
  text-shadow: 0 0 8px rgba(224, 83, 38, 0.3);
}

/* Botones */
button, .btn-primary {
  width: 100% !important;
  height: 52px !important;
  background: linear-gradient(135deg, var(--color-accent) 0%, #ea580c 100%) !important;
  border: none !important;
  border-radius: 12px !important;
  color: #ffffff !important;
  font-family: var(--font-family-body);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 10px 20px -10px rgba(224, 83, 38, 0.45) !important;
  margin: 10px auto 10px auto !important;
}

button:hover, .btn-primary:hover {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%) !important;
  transform: translateY(-2px);
  box-shadow: 0 15px 25px -8px rgba(224, 83, 38, 0.55), 0 0 15px rgba(224, 83, 38, 0.2) !important;
}

button:active, .btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 5px 10px -5px rgba(224, 83, 38, 0.45) !important;
}

/* --- Modales de Verificación --- */
.modal {
  background: rgba(15, 23, 42, 0.8) !important;
  backdrop-filter: blur(8px);
}

.modal .modal-content {
  margin-top: 100px !important;
  background-color: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6) !important;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.15) !important;
  padding: 30px !important;
}

.modal .modal-body {
  padding: 10px 0 !important;
}

.modal label {
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 8px;
  display: block;
}

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

/* --- Responsiveness --- */
@media (max-width: 991px) {
  .login-row {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.25) 0%, rgba(15, 23, 42, 0.65) 100%), var(--background-image-url) no-repeat center center;
    background-size: cover;
    min-height: 100vh;
  }
  
  .imagen {
    display: none !important;
  }
  
  .main-section {
    flex: none;
    width: 100%;
    max-width: 460px;
    padding: 60px 20px;
  }
  
  .modal-content {
    padding: 40px 25px !important;
  }
}

@media (max-width: 480px) {
  .modal-content {
    padding: 35px 20px !important;
    border-radius: 20px !important;
  }
  
  .login-header {
    margin-bottom: 25px;
  }
  
  .brand-logo-container {
    margin-bottom: 14px;
  }
  
  .brand-logo-card {
    max-height: 44px;
  }

  .welcome-title {
    font-size: 1.4rem;
  }
}