/* ===== LAYOUT ===== */
    .login-page {
      flex: 1;
      display: grid;
      grid-template-columns: 1fr;
      min-height: 100vh;
    }

    @media (min-width: 1024px) {
      .login-page {
        grid-template-columns: 1fr 1fr;
      }
    }

    /* ===== PANEL IZQUIERDO (decorativo) ===== */
    .login-side {
      display: none;
      position: relative;
      background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 50%, #2563eb 100%);
      overflow: hidden;
      padding: 3rem;
      flex-direction: column;
      justify-content: space-between;
    }

    @media (min-width: 1024px) {
      .login-side { display: flex; }
    }

    /* Blobs decorativos */
    .side-blob-1 {
      position: absolute;
      top: -15%; right: -15%;
      width: 500px; height: 500px;
      background: rgba(255,255,255,0.07);
      border-radius: 50%;
    }

    .side-blob-2 {
      position: absolute;
      bottom: -20%; left: -10%;
      width: 400px; height: 400px;
      background: rgba(255,255,255,0.05);
      border-radius: 50%;
    }

    .side-grid {
      position: absolute;
      inset: 0;
      opacity: 0.04;
      background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    }

    .side-content {
      position: relative;
      z-index: 1;
    }

    .side-logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .side-logo img {
      height: 48px;
      width: auto;
      /* Si la imagen es oscura podés usar: filter: brightness(0) invert(1); */
    }

    .side-headline {
      margin-top: auto;
      padding-top: 4rem;
    }

    .side-headline h2 {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 800;
      color: white;
      line-height: 1.2;
      margin-bottom: 1rem;
    }

    .side-headline p {
      font-size: 1rem;
      color: rgba(255,255,255,0.75);
      max-width: 380px;
      line-height: 1.7;
    }

    /* Stats */
    .side-stats {
      position: relative;
      z-index: 1;
      display: flex;
      gap: 2rem;
      padding-top: 2.5rem;
      border-top: 1px solid rgba(255,255,255,0.15);
    }

    .side-stat-value {
      font-size: 1.75rem;
      font-weight: 800;
      color: white;
    }

    .side-stat-label {
      font-size: 0.8125rem;
      color: rgba(255,255,255,0.6);
    }

    /* ===== PANEL DERECHO (formulario) ===== */
    .login-main {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 2rem 1rem;
      background: var(--bg-gray);
    }

    @media (min-width: 640px) {
      .login-main { padding: 3rem 2rem; }
    }

    .login-box {
      width: 100%;
      max-width: 440px;
    }

    /* Logo mobile (solo visible en pantallas pequeñas) */
    .login-logo-mobile {
      display: flex;
      justify-content: center;
      margin-bottom: 2rem;
    }

    .login-logo-mobile img {
      height: 52px;
      width: auto;
    }

    @media (min-width: 1024px) {
      .login-logo-mobile { display: none; }
    }

    /* Card del form */
    .login-card {
      background: white;
      border-radius: var(--radius-2xl);
      padding: 2.5rem;
      box-shadow: var(--shadow-xl);
      border: 1px solid var(--border-color);
    }

    @media (min-width: 640px) {
      .login-card { padding: 3rem; }
    }

    .login-card-header {
      margin-bottom: 2rem;
    }

    .login-card-header h1 {
      font-size: 1.625rem;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 0.375rem;
    }

    .login-card-header p {
      font-size: 0.9375rem;
      color: var(--text-secondary);
    }

    /* Form */
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      margin-bottom: 1.25rem;
    }

    .form-group label {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-primary);
    }

    .input-wrapper {
      position: relative;
    }

    .input-icon {
      position: absolute;
      left: 1rem;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 0.9375rem;
      pointer-events: none;
      transition: var(--transition);
    }

    .form-control {
      width: 100%;
      padding: 0.875rem 1rem 0.875rem 2.75rem;
      font-family: inherit;
      font-size: 0.9375rem;
      color: var(--text-primary);
      background: var(--bg-gray);
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-lg);
      outline: none;
      transition: var(--transition);
    }

    .form-control::placeholder { color: var(--text-muted); }

    .form-control:focus {
      border-color: var(--primary-light);
      background: white;
      box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.08);
    }

    .form-control:focus + .input-icon,
    .input-wrapper:focus-within .input-icon {
      color: var(--primary);
    }

    /* Toggle contraseña */
    .password-toggle {
      position: absolute;
      right: 1rem;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      background: none;
      border: none;
      cursor: pointer;
      font-size: 0.9375rem;
      padding: 0.25rem;
      transition: var(--transition);
      line-height: 1;
    }

    .password-toggle:hover { color: var(--text-primary); }

    /* Error message */
    .form-error {
      display: none;
      align-items: center;
      gap: 0.5rem;
      padding: 0.875rem 1rem;
      background: var(--error-light);
      border: 1px solid #fecaca;
      border-radius: var(--radius-lg);
      color: var(--error);
      font-size: 0.875rem;
      font-weight: 500;
      margin-bottom: 1.25rem;
    }

    .form-error.visible { display: flex; }

    /* Olvidé contraseña */
    .forgot-row {
      display: flex;
      justify-content: flex-end;
      margin-top: -0.75rem;
      margin-bottom: 1.5rem;
    }

    .forgot-link {
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--primary);
      transition: var(--transition);
    }

    .forgot-link:hover {
      color: var(--primary-dark);
      text-decoration: underline;
    }

    /* Submit */
    .btn-submit {
      width: 100%;
      padding: 1rem;
      font-family: inherit;
      font-size: 1rem;
      font-weight: 600;
      color: white;
      background: var(--primary-dark);
      border: none;
      border-radius: var(--radius-lg);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.625rem;
      transition: var(--transition);
      box-shadow: var(--shadow-primary);
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 15px 50px -10px rgba(29, 78, 216, 0.5);
    }

    .btn-submit:active { transform: translateY(0); }

    .btn-submit .spinner {
      display: none;
      width: 1.125rem;
      height: 1.125rem;
      border: 2px solid rgba(255,255,255,0.4);
      border-top-color: white;
      border-radius: 50%;
      animation: spin 0.7s linear infinite;
    }

    .btn-submit.loading .spinner { display: block; }
    .btn-submit.loading .btn-text { display: none; }

    @keyframes spin {
      to { transform: rotate(360deg); }
    }

    /* Footer del card */
    .login-card-footer {
      margin-top: 1.75rem;
      text-align: center;
      font-size: 0.875rem;
      color: var(--text-secondary);
    }

    .login-card-footer a {
      color: var(--primary);
      font-weight: 600;
      transition: var(--transition);
    }

    .login-card-footer a:hover {
      color: var(--primary-dark);
      text-decoration: underline;
    }

    /* Link volver al home */
    .back-link {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      margin-top: 1.75rem;
      font-size: 0.875rem;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .back-link:hover { color: var(--text-secondary); }

    /* ===== ANIMACIONES ===== */
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .login-box {
      animation: fadeInUp 0.6s ease forwards;
    }