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

        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            overflow: hidden;
            color: #fff;
        }

        .container {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(15px);
            border-radius: 24px;
            padding: 60px 45px;
            width: 100%;
            max-width: 420px;
            text-align: center;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        h1 {
            font-size: 2.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        p {
            font-size: 1.05rem;
            margin-top: 25px;
            color: #d0d0d0;
        }

        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .input-group {
            position: relative;
        }

        input[type="email"],
        input[type="password"] {
            width: 100%;
            padding: 14px 18px 14px 45px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .input-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #cccccc;
            font-size: 18px;
        }

        .password-toggle {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #cccccc;
            font-size: 18px;
            cursor: pointer;
            transition: color 0.3s;
        }

        .password-toggle:hover {
            color: #00c6ff;
        }

        input::placeholder {
            color: #cccccc;
        }

        input:focus {
            outline: none;
            background: rgba(255, 255, 255, 0.15);
            border-color: #00c6ff;
            box-shadow: 0 0 0 3px rgba(0, 198, 255, 0.3);
        }

        .btn {
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #FFD700 0%, #FF8C00 100%);
            gap: 12px;
            width: 100%;
            padding: 14px 18px;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            box-shadow: 0 6px 20px rgba(0, 114, 255, 0.3);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            cursor: pointer;
        }

        .btn:hover {
            transform: translateY(-4px) scale(1.03);
            box-shadow: 0 10px 25px rgba(0, 114, 255, 0.5);
        }

        .btn svg {
            width: 20px;
            height: 20px;
            fill: #fff;
        }

        a {
            color: #00c6ff;
            text-decoration: none;
            font-size: 0.95rem;
        }

        a:hover {
            text-decoration: underline;
        }

        .error-message {
            color: #ff6b6b;
            margin-bottom: 15px;
            font-size: 0.9rem;
        }

        /* Iconos como SVG inline */
        .input-icon::before {
            display: inline-block;
            width: 18px;
            height: 18px;
        }
        
        .fa-envelope::before {
            content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23cccccc'%3E%3Cpath d='M20 4H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z'/%3E%3C/svg%3E");
        }
        
        .fa-lock::before {
            content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23cccccc'%3E%3Cpath d='M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zm3.1-9H8.9V6c0-1.71 1.39-3.1 3.1-3.1 1.71 0 3.1 1.39 3.1 3.1v2z'/%3E%3C/svg%3E");
        }
        
        .fa-eye::before {
            content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23cccccc'%3E%3Cpath d='M12 4.5C7 4.5 2.73 7.61 1 12c1.73 4.39 6 7.5 11 7.5s9.27-3.11 11-7.5c-1.73-4.39-6-7.5-11-7.5zM12 17c-2.76 0-5-2.24-5-5s2.24-5 5-5 5 2.24 5 5-2.24 5-5 5zm0-8c-1.66 0-3 1.34-3 3s1.34 3 3 3 3-1.34 3-3-1.34-3-3-3z'/%3E%3C/svg%3E");
        }
        
        .fa-eye-slash::before {
            content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23cccccc'%3E%3Cpath d='M12 7c2.76 0 5 2.24 5 5 0 .65-.13 1.26-.36 1.83l2.92 2.92c1.51-1.26 2.7-2.89 3.43-4.75-1.73-4.39-6-7.5-11-7.5-1.4 0-2.74.25-3.98.7l2.16 2.16C10.74 7.13 11.35 7 12 7zM2 4.27l2.28 2.28.46.46C3.08 8.3 1.78 10.02 1 12c1.73 4.39 6 7.5 11 7.5 1.55 0 3.03-.3 4.38-.84l.42.42L19.73 22 21 20.73 3.27 3 2 4.27zM7.53 9.8l1.55 1.55c-.05.21-.08.43-.08.65 0 1.66 1.34 3 3 3 .22 0 .44-.03.65-.08l1.55 1.55c-.67.33-1.41.53-2.2.53-2.76 0-5-2.24-5-5 0-.79.2-1.53.53-2.2zm4.31-.78l3.15 3.15.02-.16c0-1.66-1.34-3-3-3l-.17.01z'/%3E%3C/svg%3E");
        }

        @media (max-width: 480px) {
            .container {
                padding: 40px 25px;
            }

            h1 {
                font-size: 1.8rem;
            }

            .btn {
                font-size: 0.95rem;
            }

            input[type="email"],
            input[type="password"] {
                font-size: 0.95rem;
            }
        }