/* SIGAPI - Portada de acceso */
:root {
    --sigapi-orange: #ff7e05;
    --sigapi-orange-light: #ff9a3d;
    --sigapi-orange-dark: #e56a00;
    --sigapi-dark: #1a1f2e;
    --sigapi-dark-soft: #252b3d;
    --sigapi-text: #4a5568;
    --sigapi-text-light: #718096;
    --sigapi-white: #ffffff;
    --sigapi-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
    --sigapi-radius: 1.25rem;
  }
  
  * {
    box-sizing: border-box;
  }
  
  body.sigapi-login {
    margin: 0;
    min-height: 100vh;
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    overflow-x: hidden;
    background: var(--sigapi-dark);
  }
  
  /* Fondo animado */
  .sigapi-login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
      radial-gradient(ellipse 80% 60% at 20% 10%, rgba(255, 126, 5, 0.25) 0%, transparent 50%),
      radial-gradient(ellipse 60% 50% at 80% 90%, rgba(255, 126, 5, 0.15) 0%, transparent 50%),
      linear-gradient(135deg, #0f1219 0%, #1a1f2e 40%, #1e2433 100%);
  }
  
  .sigapi-login-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      radial-gradient(circle at 25% 25%, rgba(255, 126, 5, 0.08) 0%, transparent 8%),
      radial-gradient(circle at 75% 75%, rgba(255, 126, 5, 0.06) 0%, transparent 8%);
    background-size: 120px 120px;
    animation: sigapi-grid-pulse 8s ease-in-out infinite;
  }
  
  @keyframes sigapi-grid-pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
  }
  
  /* Orbes flotantes */
  .sigapi-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
  }
  
  .sigapi-orb-1 {
    width: 400px;
    height: 400px;
    background: var(--sigapi-orange);
    top: -100px;
    right: -100px;
    animation: sigapi-float 12s ease-in-out infinite;
  }
  
  .sigapi-orb-2 {
    width: 300px;
    height: 300px;
    background: #ff9a3d;
    bottom: -80px;
    left: -80px;
    animation: sigapi-float 15s ease-in-out infinite reverse;
  }
  
  .sigapi-orb-3 {
    width: 200px;
    height: 200px;
    background: rgba(255, 126, 5, 0.5);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: sigapi-float 10s ease-in-out infinite 2s;
  }
  
  @keyframes sigapi-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
  }
  
  /* Contenedor principal */
  .sigapi-login-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
  }
  
  /* Tarjeta principal */
  .sigapi-login-card {
    display: flex;
    width: 100%;
    max-width: 960px;
    min-height: 560px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--sigapi-radius);
    box-shadow: var(--sigapi-shadow);
    overflow: hidden;
    animation: sigapi-card-in 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  
  @keyframes sigapi-card-in {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Panel imagen */
  .sigapi-login-visual {
    flex: 1;
    position: relative;
    min-height: 280px;
    display: none;
  }
  
  @media (min-width: 768px) {
    .sigapi-login-visual {
      display: block;
    }
  }
  
  .sigapi-login-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
  }
  
  .sigapi-login-visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
      135deg,
      rgba(26, 31, 46, 0.85) 0%,
      rgba(255, 126, 5, 0.35) 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
  }
  
  .sigapi-login-visual-text h2 {
    color: var(--sigapi-white);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    line-height: 1.3;
  }
  
  .sigapi-login-visual-text p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
  }
  
  /* Iconos decorativos de red */
  .sigapi-signal-icons {
    position: absolute;
    top: 2rem;
    left: 2rem;
    display: flex;
    gap: 0.5rem;
  }
  
  .sigapi-signal-icons i {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.25rem;
    animation: sigapi-signal 2s ease-in-out infinite;
  }
  
  .sigapi-signal-icons i:nth-child(2) { animation-delay: 0.3s; }
  .sigapi-signal-icons i:nth-child(3) { animation-delay: 0.6s; }
  
  @keyframes sigapi-signal {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
  }
  
  /* Panel formulario */
  .sigapi-login-form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 2rem;
    background: var(--sigapi-white);
  }
  
  @media (min-width: 768px) {
    .sigapi-login-form-panel {
      flex: 0 0 52%;
      padding: 3rem 2.5rem;
    }
  }
  
  .sigapi-login-form-inner {
    width: 100%;
    max-width: 360px;
  }
  
  /* Logo */
  .sigapi-logo-wrap {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .sigapi-logo-wrap img {
    max-width: 220px;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(255, 126, 5, 0.2));
    transition: transform 0.3s ease;
  }
  
  .sigapi-logo-wrap img:hover {
    transform: scale(1.02);
  }
  
  .sigapi-welcome {
    text-align: center;
    margin-bottom: 1.75rem;
  }
  
  .sigapi-welcome h1 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--sigapi-dark);
    margin: 0 0 0.25rem;
  }
  
  .sigapi-welcome p {
    font-size: 0.9rem;
    color: var(--sigapi-text-light);
    margin: 0;
  }
  
  /* Campos del formulario */
  .sigapi-field {
    margin-bottom: 1.25rem;
  }
  
  .sigapi-field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sigapi-text);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  
  .sigapi-input-wrap {
    position: relative;
  }
  
  .sigapi-input-wrap i.field-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sigapi-text-light);
    font-size: 0.95rem;
    transition: color 0.2s;
    pointer-events: none;
  }
  
  .sigapi-input-wrap input {
    width: 100%;
    padding: 0.85rem 1rem 0.85rem 2.75rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--sigapi-dark);
    background: #f7f8fa;
    border: 2px solid transparent;
    border-radius: 0.75rem;
    outline: none;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  }
  
  .sigapi-input-wrap input:focus {
    background: var(--sigapi-white);
    border-color: var(--sigapi-orange);
    box-shadow: 0 0 0 4px rgba(255, 126, 5, 0.15);
  }
  
  .sigapi-input-wrap input:focus + i.field-icon,
  .sigapi-input-wrap:focus-within i.field-icon {
    color: var(--sigapi-orange);
  }
  
  .sigapi-toggle-pass {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--sigapi-text-light);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.9rem;
    transition: color 0.2s;
  }
  
  .sigapi-toggle-pass:hover {
    color: var(--sigapi-orange);
  }
  
  /* Mensajes */
  #mensaje {
    min-height: 0;
    margin-bottom: 1rem;
  }
  
  #mensaje .alert {
    border-radius: 0.75rem;
    font-size: 0.9rem;
    border: none;
    padding: 0.75rem 1rem;
  }
  
  /* Botón acceso */
  .sigapi-btn-acceso {
    width: 100%;
    padding: 0.95rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    font-family: inherit;
    color: var(--sigapi-white);
    background: linear-gradient(135deg, var(--sigapi-orange) 0%, var(--sigapi-orange-dark) 100%);
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(255, 126, 5, 0.4);
  }
  
  .sigapi-btn-acceso::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.15) 100%);
    opacity: 0;
    transition: opacity 0.2s;
  }
  
  .sigapi-btn-acceso:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 126, 5, 0.45);
  }
  
  .sigapi-btn-acceso:hover::before {
    opacity: 1;
  }
  
  .sigapi-btn-acceso:active {
    transform: translateY(0);
  }
  
  .sigapi-btn-acceso i {
    margin-left: 0.5rem;
    font-size: 0.85rem;
  }
  
  /* Pie de página */
  .sigapi-login-footer {
    margin-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
    line-height: 1.5;
    max-width: 600px;
  }
  
  .sigapi-login-footer strong {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
  }
  
  /* Responsive móvil */
  @media (max-width: 767px) {
    .sigapi-login-card {
      min-height: auto;
    }
  
    .sigapi-login-form-panel {
      padding: 2rem 1.5rem;
    }
  
    .sigapi-logo-wrap img {
      max-width: 180px;
    }
  }