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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
            /* Aquí puedes poner tu imagen de fondo */
            background-image: url('../images/cda2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }

        /* Overlay oscuro para mejorar legibilidad */
        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.3);
            z-index: 0;
        }

        .login-page {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: 450px;
            padding: 2rem;
            animation: fadeIn 0.6s ease-out;
        }

        .form-container {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 24px;
            padding: 3rem 2.5rem;
            box-shadow: 0 30px 90px rgba(0, 0, 0, 0.4);
            animation: slideUp 0.6s ease-out;
        }

        .logo-container {
            text-align: center;
            margin-bottom: 2rem;
        }

        .logo-icon {
            width: 80px;
            height: 80px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem auto;
            animation: bounce 2s infinite;
        }

        .logo-icon svg {
            width: 45px;
            height: 45px;
            fill: white;
        }

        .form-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1F2937;
            margin-bottom: 0.5rem;
        }

        .form-subtitle {
            font-size: 0.95rem;
            color: #6B7280;
            margin-bottom: 2rem;
        }

        .login-form {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .input-group {
            position: relative;
        }

        .input-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 20px;
            fill: #9CA3AF;
            pointer-events: none;
            transition: fill 0.3s;
        }

        .login-form input {
            width: 100%;
            padding: 1rem 1rem 1rem 3rem;
            border: 2px solid #E5E7EB;
            border-radius: 12px;
            font-size: 1rem;
            transition: all 0.3s;
            background: white;
            color: #1F2937;
        }

        .login-form input:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
        }

        .login-form input:focus+.input-icon {
            fill: #667eea;
        }

        .login-form input::placeholder {
            color: #9CA3AF;
        }

        .login-form button {
            width: 100%;
            padding: 1rem;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
            margin-top: 0.5rem;
        }

        .login-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(102, 126, 234, 0.5);
        }

        .login-form button:active {
            transform: translateY(0);
        }

        /* Alerta de error */
        .alert {
            padding: 1rem;
            border-radius: 12px;
            font-size: 0.9rem;
            margin-top: 1rem;
            animation: shake 0.5s;
        }

        .alert-danger {
            background: #FEE2E2;
            color: #DC2626;
            border: 1px solid #FECACA;
        }

        /* Decoración de footer */
        .form-footer {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #E5E7EB;
        }

        .form-footer p {
            font-size: 0.85rem;
            color: #6B7280;
        }

        /* Animaciones */
        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

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

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes bounce {

            0%,
            100% {
                transform: translateY(0);
            }

            50% {
                transform: translateY(-10px);
            }
        }

        @keyframes shake {

            0%,
            100% {
                transform: translateX(0);
            }

            25% {
                transform: translateX(-10px);
            }

            75% {
                transform: translateX(10px);
            }
        }

        /* Responsive */
        @media (max-width: 480px) {
            .login-page {
                padding: 1rem;
            }

            .form-container {
                padding: 2rem 1.5rem;
            }

            .form-title {
                font-size: 1.5rem;
            }
        }