/* Variables CSS para mejor mantenimiento */
    :root {
    --color-primary: #7d2755;
    --color-primary-dark: #5d1d3f;
    --color-primary-light: #9d3775;
    --color-danger: #dc2626;
    --color-danger-dark: #b91c1c;
    --color-white: #ffffff;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-700: #090909;
    --color-gray-900: #212529;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 30px 60px rgba(0, 0, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    }

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

    body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-primary);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    }

    header {
    margin-bottom: 60px;
    }

    .navbar {
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    }

    .login-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background-color: var(--color-primary);
    background-image: url("https://tlalpan.cdmx.gob.mx/wp-content/uploads/2024/11/textura03tlalpan.png");
    background-size: cover;
    background-position: center;
    position: relative;
    }

    /* Overlay sutil para mejorar legibilidad */
    .login-page::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(125, 39, 85, 0.95) 0%, rgba(93, 29, 63, 0.98) 100%);
    z-index: 0;
    }

    h1 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 36px;
    color: var(--color-white);
    font-weight: 700;
    }

    .wrapper {
    width: 100%;
    max-width: 440px;
    padding: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    z-index: 1;
    animation: slideUp 0.5s ease-out;
    }

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

    /* Animaciones de FadeIn originales mejoradas */
    .fadeInDown {
    animation: fadeInDown 0.5s ease-out;
    }

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

    .fadeIn {
    animation: fadeIn 0.6s ease-out;
    }

    @keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
    }

    .fadeIn.second {
    animation-delay: 0.2s;
    animation-fill-mode: backwards;
    }

    .fadeIn.third {
    animation-delay: 0.3s;
    animation-fill-mode: backwards;
    }

    .fadeIn.fourth {
    animation-delay: 0.4s;
    animation-fill-mode: backwards;
    }

    #formContent {
    padding: 48px 40px 40px;
    background: var(--color-white);
    }

    .logo {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    }

    .logo::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    margin: 24px auto 0;
    border-radius: 2px;
    }

    .logo img {
    width: 140px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.08));
    transition: transform var(--transition-normal);
    }

    .logo img:hover {
    transform: scale(1.05);
    }

    .form-group {
    margin-bottom: 24px;
    position: relative;
    color: var(--color-gray-900);
    }

    .form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-gray-700);
    text-align: center;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    transition: color var(--transition-fast);
    }

    .form-control {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    transition: all var(--transition-normal);
    box-sizing: border-box;
    }

    .form-control::placeholder {
    color: #adb5bd;
    opacity: 1;
    }

    .form-control:hover {
    border-color: var(--color-primary-light);
    }

    .form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(125, 39, 85, 0.1);
    background-color: var(--color-white);
    }

    .form-control:disabled {
    background-color: var(--color-gray-100);
    cursor: not-allowed;
    opacity: 0.6;
    }

    .button {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: none;
    color: var(--color-white);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    box-shadow: 0 6px 20px rgba(125, 39, 85, 0.25);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    margin-top: 8px;
    }

    .button::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
    }

    .button:hover::before {
    left: 100%;
    }

    .button:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #4d1a32 100%);
    box-shadow: 0 8px 28px rgba(125, 39, 85, 0.35);
    transform: translateY(-2px);
    }

    .button:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(125, 39, 85, 0.3);
    }

    .button:disabled {
    background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
    opacity: 0.6;
    }

    .button:disabled::before {
    display: none;
    }

    .button-secondary {
    display: block;
    text-align: center;
    margin-top: 20px;
    padding: 14px 20px;
    background-color: #776c58;
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    }

    .button-secondary:hover {
    background-color: #5f5746;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: var(--color-white);
    }

    /* Estilos mejorados para alertas de Bootstrap */
    .alert {
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-top: 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    box-shadow: var(--shadow-sm);
    animation: fadeIn 0.4s ease-out;
    }

    .alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    border-left: 4px solid var(--color-danger);
    }

    .alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border-left: 4px solid #f59e0b;
    }

    .alert-link {
    color: inherit;
    font-weight: 700;
    text-decoration: underline;
    transition: opacity var(--transition-fast);
    }

    .alert-link:hover {
    opacity: 0.8;
    }

    /* Mejora del último label con el botón de cerrar sesión */
    .form-group label:last-of-type {
    text-align: center;
    text-transform: none;
    font-weight: 400;
    font-size: 13px;
    color: #6c757d;
    margin-top: 20px;
    line-height: 1.6;
    }

    .form-group label .btn-danger {
    font-size: 12px;
    padding: 6px 14px;
    margin: 0 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-transform: none;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.2);
    }

    .form-group label .btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
    }

    /* Responsividad mejorada */
    @media (max-width: 600px) {
    .login-page {
        padding: 16px;
    }

    .wrapper {
        max-width: 100%;
        border-radius: var(--radius-md);
    }

    #formContent {
        padding: 36px 28px 32px;
    }

    .logo img {
        width: 120px;
    }

    .logo::after {
        width: 50px;
        margin-top: 20px;
    }

    h1 {
        font-size: 28px;
    }

    .form-control {
        padding: 13px 16px;
        font-size: 16px; /* Previene zoom en iOS */
    }

    .button {
        padding: 15px 20px;
        font-size: 14px;
        letter-spacing: 1px;
    }

    .form-group {
        margin-bottom: 20px;
    }
    }

    @media (max-width: 380px) {
    #formContent {
        padding: 32px 24px 28px;
    }

    .logo img {
        width: 100px;
    }

    .form-group label {
        font-size: 12px;
    }
    }

    /* Mejora de accesibilidad */
    .form-control:focus-visible,
    .button:focus-visible,
    .button-secondary:focus-visible,
    .btn:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    }

    /* Estilo para campos con error (si se usa JavaScript para validación) */
    .form-control.is-invalid {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
    }

    .form-control.is-valid {
    border-color: #16a34a;
    box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.1);
    }

    /* Loading state para el botón (opcional) */
    .button.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
    }

    .button.loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    }

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

    /* Efecto de resplandor suave en el wrapper */
    @media (prefers-reduced-motion: no-preference) {
    .wrapper {
        animation: slideUp 0.5s ease-out, subtleGlow 3s ease-in-out infinite alternate;
    }

    @keyframes subtleGlow {
        from {
        box-shadow: var(--shadow-xl);
        }
        to {
        box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2), 0 0 40px rgba(125, 39, 85, 0.15);
        }
    }
    }

    /* Mejora del contraste en modo de alto contraste */
    @media (prefers-contrast: high) {
    .form-control {
        border-width: 3px;
    }

    .button {
        border: 2px solid var(--color-white);
    }
    }